74417657616 has 135 divisors (see below), whose sum is σ = 211098169191. Its totient is φ = 24473074752.

The previous prime is 74417657609. The next prime is 74417657653. The reversal of 74417657616 is 61675671447.

The square root of 74417657616 is 272796.

It is a perfect power (a square), and thus also a powerful number.

74417657616 is a `hidden beast` number, since 7 + 4 + 4 + 17 + 6 + 5 + 7 + 616 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 415741015 + ... + 415741193.

Almost surely, 2^74417657616 is an apocalyptic number.

74417657616 is the 272796-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74417657616

74417657616 is an abundant number, since it is smaller than the sum of its proper divisors (136680511575).

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

74417657616 is a wasteful number, since it uses less digits than its factorization.

74417657616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 311 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The spelling of 74417657616 in words is "seventy-four billion, four hundred seventeen million, six hundred fifty-seven thousand, six hundred sixteen".