74088939 has 8 divisors (see below), whose sum is σ = 102191760. Its totient is φ = 47689376.

The previous prime is 74088893. The next prime is 74088947. The reversal of 74088939 is 93988047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74088939 - 2⁷ = 74088811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74081939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425712 + ... + 425885.

It is an arithmetic number, because the mean of its divisors is an integer number (12773970).

Almost surely, 2^74088939 is an apocalyptic number.

74088939 is a deficient number, since it is larger than the sum of its proper divisors (28102821).

74088939 is a wasteful number, since it uses less digits than its factorization.

74088939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851629.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 74088939 is about 8607.4931890766. The cubic root of 74088939 is about 420.0017743689.

The spelling of 74088939 in words is "seventy-four million, eighty-eight thousand, nine hundred thirty-nine".