172799994 has 16 divisors (see below), whose sum is σ = 354029760. Its totient is φ = 56195040.

The previous prime is 172799993. The next prime is 172800029. The reversal of 172799994 is 499997271.

It is not an unprimeable number, because it can be changed into a prime (172799993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350974 + ... + 351465.

It is an arithmetic number, because the mean of its divisors is an integer number (22126860).

Almost surely, 2^172799994 is an apocalyptic number.

172799994 is an abundant number, since it is smaller than the sum of its proper divisors (181229766).

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

172799994 is a wasteful number, since it uses less digits than its factorization.

172799994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702485.

The product of its digits is 2571912, while the sum is 57.

The square root of 172799994 is about 13145.3411519063. The cubic root of 172799994 is about 556.9906535869.

The spelling of 172799994 in words is "one hundred seventy-two million, seven hundred ninety-nine thousand, nine hundred ninety-four".