74814657 has 12 divisors (see below), whose sum is σ = 100724400. Its totient is φ = 49395312.

The previous prime is 74814643. The next prime is 74814667. The reversal of 74814657 is 75641847.

It is not a de Polignac number, because 74814657 - 2¹⁶ = 74749121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74814667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34594 + ... + 36692.

It is an arithmetic number, because the mean of its divisors is an integer number (8393700).

Almost surely, 2^74814657 is an apocalyptic number.

It is an amenable number.

74814657 is a deficient number, since it is larger than the sum of its proper divisors (25909743).

74814657 is a wasteful number, since it uses less digits than its factorization.

74814657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320 (or 2211 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 74814657 is about 8649.5466355180. The cubic root of 74814657 is about 421.3686586748.

The spelling of 74814657 in words is "seventy-four million, eight hundred fourteen thousand, six hundred fifty-seven".