74726538 has 16 divisors (see below), whose sum is σ = 149778720. Its totient is φ = 24854576.

The previous prime is 74726501. The next prime is 74726581. The reversal of 74726538 is 83562747.

It is a self number, because there is not a number n which added to its sum of digits gives 74726538.

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, 10533 + ... + 16136.

It is an arithmetic number, because the mean of its divisors is an integer number (9361170).

Almost surely, 2^74726538 is an apocalyptic number.

74726538 is an abundant number, since it is smaller than the sum of its proper divisors (75052182).

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

74726538 is a wasteful number, since it uses less digits than its factorization.

74726538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27141.

The product of its digits is 282240, while the sum is 42.

The square root of 74726538 is about 8644.4512839162. The cubic root of 74726538 is about 421.2031600336.

The spelling of 74726538 in words is "seventy-four million, seven hundred twenty-six thousand, five hundred thirty-eight".