74694879 has 40 divisors (see below), whose sum is σ = 128860160. Its totient is φ = 42235344.

The previous prime is 74694859. The next prime is 74694887. The reversal of 74694879 is 97849647.

It is a happy number.

It is not a de Polignac number, because 74694879 - 2⁸ = 74694623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74694859) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 57762 + ... + 59040.

It is an arithmetic number, because the mean of its divisors is an integer number (3221504).

Almost surely, 2^74694879 is an apocalyptic number.

74694879 is a deficient number, since it is larger than the sum of its proper divisors (54165281).

74694879 is a wasteful number, since it uses less digits than its factorization.

74694879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 1392 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 74694879 is about 8642.6199152803. The cubic root of 74694879 is about 421.1436686543.

The spelling of 74694879 in words is "seventy-four million, six hundred ninety-four thousand, eight hundred seventy-nine".