74125539 has 12 divisors (see below), whose sum is σ = 107144856. Its totient is φ = 49382592.

The previous prime is 74125489. The next prime is 74125547. The reversal of 74125539 is 93552147.

It is not a de Polignac number, because 74125539 - 2⁸ = 74125283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74125039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24139 + ... + 27035.

It is an arithmetic number, because the mean of its divisors is an integer number (8928738).

Almost surely, 2^74125539 is an apocalyptic number.

74125539 is a deficient number, since it is larger than the sum of its proper divisors (33019317).

74125539 is a wasteful number, since it uses less digits than its factorization.

74125539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5746 (or 5743 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 74125539 is about 8609.6189811164. The cubic root of 74125539 is about 420.0709233970.

The spelling of 74125539 in words is "seventy-four million, one hundred twenty-five thousand, five hundred thirty-nine".