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74880036 = 2232721117227
BaseRepresentation
bin1000111011010…
…01010000100100
312012220022002200
410131221100210
5123132130121
611232534500
71566320100
oct435512044
9165808080
1074880036
11392a4530
12210b1430
1312689b1a
149d32900
156891a26
hex4769424

74880036 has 216 divisors, whose sum is σ = 255449376. Its totient is φ = 18224640.

The previous prime is 74880017. The next prime is 74880067. The reversal of 74880036 is 63008847.

It is a super-2 number, since 2×748800362 = 11214039582722592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 329755 + ... + 329981.

It is an arithmetic number, because the mean of its divisors is an integer number (1182636).

Almost surely, 274880036 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 74880036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127724688).

74880036 is an abundant number, since it is smaller than the sum of its proper divisors (180569340).

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

74880036 is a wasteful number, since it uses less digits than its factorization.

74880036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 74880036 is about 8653.3251412391. The cubic root of 74880036 is about 421.4913647585.

The spelling of 74880036 in words is "seventy-four million, eight hundred eighty thousand, thirty-six".