74668258 has 48 divisors (see below), whose sum is σ = 137467584. Its totient is φ = 30270240.

The previous prime is 74668249. The next prime is 74668261. The reversal of 74668258 is 85286647.

It is a Harshad number since it is a multiple of its sum of digits (46).

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 23 ways as a sum of consecutive naturals, for example, 353773 + ... + 353983.

It is an arithmetic number, because the mean of its divisors is an integer number (2863908).

Almost surely, 2^74668258 is an apocalyptic number.

74668258 is a deficient number, since it is larger than the sum of its proper divisors (62799326).

74668258 is a wasteful number, since it uses less digits than its factorization.

74668258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 400 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 74668258 is about 8641.0796779106. The cubic root of 74668258 is about 421.0936313206.

The spelling of 74668258 in words is "seventy-four million, six hundred sixty-eight thousand, two hundred fifty-eight".