74272746440 has 64 divisors (see below), whose sum is σ = 167876755200. Its totient is φ = 29573620992.

The previous prime is 74272746433. The next prime is 74272746469. The reversal of 74272746440 is 4464727247.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24120821 + ... + 24123899.

It is an arithmetic number, because the mean of its divisors is an integer number (2623074300).

Almost surely, 2^74272746440 is an apocalyptic number.

It is an amenable number.

74272746440 is an abundant number, since it is smaller than the sum of its proper divisors (93604008760).

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

74272746440 is a wasteful number, since it uses less digits than its factorization.

74272746440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646 (or 5642 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 47.

The spelling of 74272746440 in words is "seventy-four billion, two hundred seventy-two million, seven hundred forty-six thousand, four hundred forty".