74927425440 has 96 divisors (see below), whose sum is σ = 269738743680. Its totient is φ = 17126267904.

The previous prime is 74927425439. The next prime is 74927425549. The reversal of 74927425440 is 4452472947.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×74927425440² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 74927425440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11146555 + ... + 11153274.

It is an arithmetic number, because the mean of its divisors is an integer number (2809778580).

Almost surely, 2^74927425440 is an apocalyptic number.

74927425440 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74927425440 is an abundant number, since it is smaller than the sum of its proper divisors (194811318240).

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

74927425440 is a wasteful number, since it uses less digits than its factorization.

74927425440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22299854 (or 22299846 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 74927425440 in words is "seventy-four billion, nine hundred twenty-seven million, four hundred twenty-five thousand, four hundred forty".