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74922768960 = 26351359971049
BaseRepresentation
bin100010111000110111…
…1101011101001000000
321011101111102000100220
41011301233223221000
52211420212101320
654230302543040
75261441012514
oct1056157535100
9234344360326
1074922768960
1129857a4a276
121262b597a80
1370b02a52b0
1438aa732144
151e378ade40
hex1171beba40

74922768960 has 448 divisors, whose sum is σ = 263456928000. Its totient is φ = 17925931008.

The previous prime is 74922768941. The next prime is 74922768983. The reversal of 74922768960 is 6986722947.

It is a super-2 number, since 2×749227689602 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 74922768894 and 74922768903.

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, 71422516 + ... + 71423564.

It is an arithmetic number, because the mean of its divisors is an integer number (588073500).

Almost surely, 274922768960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74922768960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131728464000).

74922768960 is an abundant number, since it is smaller than the sum of its proper divisors (188534159040).

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

74922768960 is a wasteful number, since it uses less digits than its factorization.

74922768960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1228 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 60.

The spelling of 74922768960 in words is "seventy-four billion, nine hundred twenty-two million, seven hundred sixty-eight thousand, nine hundred sixty".