74231938 has 16 divisors (see below), whose sum is σ = 125660160. Its totient is φ = 32578000.

The previous prime is 74231933. The next prime is 74231939. The reversal of 74231938 is 83913247.

It is a junction number, because it is equal to n+sod(n) for n = 74231897 and 74231906.

It is not an unprimeable number, because it can be changed into a prime (74231933) 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, 57538 + ... + 58813.

It is an arithmetic number, because the mean of its divisors is an integer number (7853760).

Almost surely, 2^74231938 is an apocalyptic number.

74231938 is a deficient number, since it is larger than the sum of its proper divisors (51428222).

74231938 is a wasteful number, since it uses less digits than its factorization.

74231938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116393.

The product of its digits is 36288, while the sum is 37.

The square root of 74231938 is about 8615.7958425209. The cubic root of 74231938 is about 420.2718157338.

The spelling of 74231938 in words is "seventy-four million, two hundred thirty-one thousand, nine hundred thirty-eight".