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74480532720860 = 225719283118183777
BaseRepresentation
bin10000111011110101011001…
…101100100000110011011100
3100202201021021101101221100202
4100323311121230200303130
534230242112334031420
6422223515005243032
721455020014255620
oct2073653154406334
9322637241357322
1074480532720860
1121806020021242
12842a9ab863478
13327363a745c06
141456c3c775180
158926224e6575
hex43bd59b20cdc

74480532720860 has 192 divisors, whose sum is σ = 188988369454080. Its totient is φ = 24085988720640.

The previous prime is 74480532720833. The next prime is 74480532720871. The reversal of 74480532720860 is 6802723508447.

It is a super-2 number, since 2×744805327208602 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74480532720796 and 74480532720805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 888991292 + ... + 889075068.

It is an arithmetic number, because the mean of its divisors is an integer number (984314424240).

Almost surely, 274480532720860 is an apocalyptic number.

74480532720860 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74480532720860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94494184727040).

74480532720860 is an abundant number, since it is smaller than the sum of its proper divisors (114507836733220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74480532720860 is a wasteful number, since it uses less digits than its factorization.

74480532720860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85276 (or 85274 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 74480532720860 in words is "seventy-four trillion, four hundred eighty billion, five hundred thirty-two million, seven hundred twenty thousand, eight hundred sixty".