172949082 has 32 divisors (see below), whose sum is σ = 351267840. Its totient is φ = 56762160.

The previous prime is 172949059. The next prime is 172949131. The reversal of 172949082 is 280949271.

It is a super-2 number, since 2×172949082² = 59822769929285448, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 108463 + ... + 110045.

It is an arithmetic number, because the mean of its divisors is an integer number (10977120).

Almost surely, 2^172949082 is an apocalyptic number.

172949082 is an abundant number, since it is smaller than the sum of its proper divisors (178318758).

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

172949082 is a wasteful number, since it uses less digits than its factorization.

172949082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 172949082 is about 13151.0106835939. The cubic root of 172949082 is about 557.1507939322.

The spelling of 172949082 in words is "one hundred seventy-two million, nine hundred forty-nine thousand, eighty-two".