74039538 has 16 divisors (see below), whose sum is σ = 148696416. Its totient is φ = 24576960.

The previous prime is 74039533. The next prime is 74039551. The reversal of 74039538 is 83593047.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74039496 and 74039505.

It is not an unprimeable number, because it can be changed into a prime (74039531) 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, 24156 + ... + 27047.

It is an arithmetic number, because the mean of its divisors is an integer number (9293526).

Almost surely, 2^74039538 is an apocalyptic number.

74039538 is an abundant number, since it is smaller than the sum of its proper divisors (74656878).

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

74039538 is a wasteful number, since it uses less digits than its factorization.

74039538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51449.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 74039538 is about 8604.6230597278. The cubic root of 74039538 is about 419.9084040620.

The spelling of 74039538 in words is "seventy-four million, thirty-nine thousand, five hundred thirty-eight".