172612480 has 64 divisors (see below), whose sum is σ = 415303200. Its totient is φ = 68601856.

The previous prime is 172612471. The next prime is 172612513. The reversal of 172612480 is 84216271.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109941 + ... + 111499.

Almost surely, 2^172612480 is an apocalyptic number.

172612480 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 172612480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207651600).

172612480 is an abundant number, since it is smaller than the sum of its proper divisors (242690720).

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

172612480 is a wasteful number, since it uses less digits than its factorization.

172612480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751 (or 1739 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 172612480 is about 13138.2068791750. The cubic root of 172612480 is about 556.7891077712.

The spelling of 172612480 in words is "one hundred seventy-two million, six hundred twelve thousand, four hundred eighty".