79974812 has 12 divisors (see below), whose sum is σ = 140043960. Its totient is φ = 39962256.

The previous prime is 79974803. The next prime is 79974859. The reversal of 79974812 is 21847997.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2114 + ... + 12822.

It is an arithmetic number, because the mean of its divisors is an integer number (11670330).

Almost surely, 2^79974812 is an apocalyptic number.

It is an amenable number.

79974812 is a deficient number, since it is larger than the sum of its proper divisors (60069148).

79974812 is a wasteful number, since it uses less digits than its factorization.

79974812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12580 (or 12578 counting only the distinct ones).

The product of its digits is 254016, while the sum is 47.

The square root of 79974812 is about 8942.8637471450. The cubic root of 79974812 is about 430.8417116754.

The spelling of 79974812 in words is "seventy-nine million, nine hundred seventy-four thousand, eight hundred twelve".