79171492 has 12 divisors (see below), whose sum is σ = 141929676. Its totient is φ = 38620160.

The previous prime is 79171457. The next prime is 79171501. The reversal of 79171492 is 29417197.

It can be written as a sum of positive squares in 2 ways, for example, as 37258816 + 41912676 = 6104^2 + 6474^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241213 + ... + 241540.

It is an arithmetic number, because the mean of its divisors is an integer number (11827473).

Almost surely, 2^79171492 is an apocalyptic number.

It is an amenable number.

79171492 is a deficient number, since it is larger than the sum of its proper divisors (62758184).

79171492 is a wasteful number, since it uses less digits than its factorization.

79171492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482798 (or 482796 counting only the distinct ones).

The product of its digits is 31752, while the sum is 40.

The square root of 79171492 is about 8897.8363662185. The cubic root of 79171492 is about 429.3943013499.

It can be divided in two parts, 7917 and 1492, that added together give a square (9409 = 97²).

The spelling of 79171492 in words is "seventy-nine million, one hundred seventy-one thousand, four hundred ninety-two".