74694939 has 8 divisors (see below), whose sum is σ = 108647232. Its totient is φ = 45269640.

The previous prime is 74694931. The next prime is 74694959. The reversal of 74694939 is 93949647.

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

It is not a de Polignac number, because 74694939 - 2³ = 74694931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74694891 and 74694900.

It is not an unprimeable number, because it can be changed into a prime (74694931) 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, 1131709 + ... + 1131774.

It is an arithmetic number, because the mean of its divisors is an integer number (13580904).

Almost surely, 2^74694939 is an apocalyptic number.

74694939 is a deficient number, since it is larger than the sum of its proper divisors (33952293).

74694939 is a wasteful number, since it uses less digits than its factorization.

74694939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263497.

The product of its digits is 1469664, while the sum is 51.

The square root of 74694939 is about 8642.6233864493. The cubic root of 74694939 is about 421.1437814180.

The spelling of 74694939 in words is "seventy-four million, six hundred ninety-four thousand, nine hundred thirty-nine".