79621292 has 6 divisors (see below), whose sum is σ = 139337268. Its totient is φ = 39810644.

The previous prime is 79621291. The next prime is 79621301. The reversal of 79621292 is 29212697.

It is not an unprimeable number, because it can be changed into a prime (79621291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9952658 + ... + 9952665.

It is an arithmetic number, because the mean of its divisors is an integer number (23222878).

Almost surely, 2^79621292 is an apocalyptic number.

It is an amenable number.

79621292 is a deficient number, since it is larger than the sum of its proper divisors (59715976).

79621292 is a wasteful number, since it uses less digits than its factorization.

79621292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19905327 (or 19905325 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 79621292 is about 8923.0763753315. The cubic root of 79621292 is about 430.2059442554.

The spelling of 79621292 in words is "seventy-nine million, six hundred twenty-one thousand, two hundred ninety-two".