79172464 has 20 divisors (see below), whose sum is σ = 175310704. Its totient is φ = 33931008.

The previous prime is 79172461. The next prime is 79172479. The reversal of 79172464 is 46427197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79172461) by changing a digit.

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, 353337 + ... + 353560.

Almost surely, 2^79172464 is an apocalyptic number.

It is an amenable number.

79172464 is an abundant number, since it is smaller than the sum of its proper divisors (96138240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79172464 is a wasteful number, since it uses less digits than its factorization.

79172464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706912 (or 706906 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 79172464 is about 8897.8909860708. The cubic root of 79172464 is about 429.3960585883.

The spelling of 79172464 in words is "seventy-nine million, one hundred seventy-two thousand, four hundred sixty-four".