74875642 has 16 divisors (see below), whose sum is σ = 118036512. Its totient is φ = 35577360.

The previous prime is 74875631. The next prime is 74875663. The reversal of 74875642 is 24657847.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8584 + ... + 14947.

It is an arithmetic number, because the mean of its divisors is an integer number (7377282).

Almost surely, 2^74875642 is an apocalyptic number.

74875642 is a deficient number, since it is larger than the sum of its proper divisors (43160870).

74875642 is a wasteful number, since it uses less digits than its factorization.

74875642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23613.

The product of its digits is 376320, while the sum is 43.

The square root of 74875642 is about 8653.0712466731. The cubic root of 74875642 is about 421.4831201521.

The spelling of 74875642 in words is "seventy-four million, eight hundred seventy-five thousand, six hundred forty-two".