74820056 has 8 divisors (see below), whose sum is σ = 140287620. Its totient is φ = 37410024.

The previous prime is 74820049. The next prime is 74820079. The reversal of 74820056 is 65002847.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4676246 + ... + 4676261.

Almost surely, 2^74820056 is an apocalyptic number.

It is an amenable number.

74820056 is a deficient number, since it is larger than the sum of its proper divisors (65467564).

74820056 is a wasteful number, since it uses less digits than its factorization.

74820056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9352513 (or 9352509 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 74820056 is about 8649.8587271701. The cubic root of 74820056 is about 421.3787944546.

The spelling of 74820056 in words is "seventy-four million, eight hundred twenty thousand, fifty-six".