172596672 has 84 divisors (see below), whose sum is σ = 501111520. Its totient is φ = 56788992.

The previous prime is 172596647. The next prime is 172596691. The reversal of 172596672 is 276695271.

It is a super-2 number, since 2×172596672² = 59579222370951168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43608 + ... + 47400.

Almost surely, 2^172596672 is an apocalyptic number.

172596672 is a gapful number since it is divisible by the number (12) 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 172596672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250555760).

172596672 is an abundant number, since it is smaller than the sum of its proper divisors (328514848).

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

172596672 is a wasteful number, since it uses less digits than its factorization.

172596672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890 (or 3877 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 172596672 is about 13137.6052612339. The cubic root of 172596672 is about 556.7721101766.

The spelling of 172596672 in words is "one hundred seventy-two million, five hundred ninety-six thousand, six hundred seventy-two".