79478372 has 6 divisors (see below), whose sum is σ = 139087158. Its totient is φ = 39739184.

The previous prime is 79478351. The next prime is 79478381. The reversal of 79478372 is 27387497.

It can be written as a sum of positive squares in only one way, i.e., 60590656 + 18887716 = 7784^2 + 4346^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9934793 + ... + 9934800.

It is an arithmetic number, because the mean of its divisors is an integer number (23181193).

Almost surely, 2^79478372 is an apocalyptic number.

It is an amenable number.

79478372 is a deficient number, since it is larger than the sum of its proper divisors (59608786).

79478372 is a wasteful number, since it uses less digits than its factorization.

79478372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19869597 (or 19869595 counting only the distinct ones).

The product of its digits is 592704, while the sum is 47.

The square root of 79478372 is about 8915.0643295492. The cubic root of 79478372 is about 429.9483839252.

The spelling of 79478372 in words is "seventy-nine million, four hundred seventy-eight thousand, three hundred seventy-two".