74792079 has 20 divisors (see below), whose sum is σ = 112123440. Its totient is φ = 49684320.

The previous prime is 74792071. The next prime is 74792099. The reversal of 74792079 is 97029747.

It is a happy number.

It is not a de Polignac number, because 74792079 - 2³ = 74792071 is a prime.

It is a super-2 number, since 2×74792079² = 11187710162284482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74792071) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23707 + ... + 26675.

It is an arithmetic number, because the mean of its divisors is an integer number (5606172).

Almost surely, 2^74792079 is an apocalyptic number.

74792079 is a deficient number, since it is larger than the sum of its proper divisors (37331361).

74792079 is a wasteful number, since it uses less digits than its factorization.

74792079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292 (or 3283 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 74792079 is about 8648.2413819227. The cubic root of 74792079 is about 421.3262667196.

The spelling of 74792079 in words is "seventy-four million, seven hundred ninety-two thousand, seventy-nine".