74788538 has 16 divisors (see below), whose sum is σ = 122514336. Its totient is φ = 33957840.

The previous prime is 74788537. The next prime is 74788547. The reversal of 74788538 is 83588747.

It is not an unprimeable number, because it can be changed into a prime (74788531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36920 + ... + 38892.

It is an arithmetic number, because the mean of its divisors is an integer number (7657146).

Almost surely, 2^74788538 is an apocalyptic number.

74788538 is a deficient number, since it is larger than the sum of its proper divisors (47725798).

74788538 is a wasteful number, since it uses less digits than its factorization.

74788538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709.

The product of its digits is 1505280, while the sum is 50.

The square root of 74788538 is about 8648.0366557965. The cubic root of 74788538 is about 421.3196174422.

The spelling of 74788538 in words is "seventy-four million, seven hundred eighty-eight thousand, five hundred thirty-eight".