172994880 has 112 divisors (see below), whose sum is σ = 567074304. Its totient is φ = 44636160.

The previous prime is 172994851. The next prime is 172994893. The reversal of 172994880 is 88499271.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26854 + ... + 32666.

Almost surely, 2^172994880 is an apocalyptic number.

172994880 is a gapful number since it is divisible by the number (10) 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 172994880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283537152).

172994880 is an abundant number, since it is smaller than the sum of its proper divisors (394079424).

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

172994880 is a wasteful number, since it uses less digits than its factorization.

172994880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864 (or 5854 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 172994880 is about 13152.7518033300. The cubic root of 172994880 is about 557.1999685983.

The spelling of 172994880 in words is "one hundred seventy-two million, nine hundred ninety-four thousand, eight hundred eighty".