172675944 has 96 divisors (see below), whose sum is σ = 536440320. Its totient is φ = 49154688.

The previous prime is 172675907. The next prime is 172675967. The reversal of 172675944 is 449576271.

It is a super-2 number, since 2×172675944² = 59633963272582272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 172675944.

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 23 ways as a sum of consecutive naturals, for example, 199657 + ... + 200519.

It is an arithmetic number, because the mean of its divisors is an integer number (5587920).

Almost surely, 2^172675944 is an apocalyptic number.

172675944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172675944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268220160).

172675944 is an abundant number, since it is smaller than the sum of its proper divisors (363764376).

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

172675944 is a wasteful number, since it uses less digits than its factorization.

172675944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279 (or 1272 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 172675944 is about 13140.6219030912. The cubic root of 172675944 is about 556.8573371642.

The spelling of 172675944 in words is "one hundred seventy-two million, six hundred seventy-five thousand, nine hundred forty-four".