79494172 has 6 divisors (see below), whose sum is σ = 139114808. Its totient is φ = 39747084.

The previous prime is 79494161. The next prime is 79494179. The reversal of 79494172 is 27149497.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79494179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9936768 + ... + 9936775.

Almost surely, 2^79494172 is an apocalyptic number.

It is an amenable number.

79494172 is a deficient number, since it is larger than the sum of its proper divisors (59620636).

79494172 is a wasteful number, since it uses less digits than its factorization.

79494172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19873547 (or 19873545 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 79494172 is about 8915.9504260623. The cubic root of 79494172 is about 429.9768727421.

It can be divided in two parts, 7949 and 4172, that added together give a palindrome (12121).

The spelling of 79494172 in words is "seventy-nine million, four hundred ninety-four thousand, one hundred seventy-two".