172613996 has 18 divisors (see below), whose sum is σ = 304381980. Its totient is φ = 85650040.

The previous prime is 172613981. The next prime is 172614023. The reversal of 172613996 is 699316271.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 351311 + ... + 351801.

It is an arithmetic number, because the mean of its divisors is an integer number (16910110).

Almost surely, 2^172613996 is an apocalyptic number.

It is an amenable number.

172613996 is a deficient number, since it is larger than the sum of its proper divisors (131767984).

172613996 is an equidigital number, since it uses as much as digits as its factorization.

172613996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 672 counting only the distinct ones).

The product of its digits is 122472, while the sum is 44.

The square root of 172613996 is about 13138.2645733750. The cubic root of 172613996 is about 556.7907377998.

The spelling of 172613996 in words is "one hundred seventy-two million, six hundred thirteen thousand, nine hundred ninety-six".