172374488 has 64 divisors (see below), whose sum is σ = 384199200. Its totient is φ = 71470080.

The previous prime is 172374473. The next prime is 172374491. The reversal of 172374488 is 884473271.

It is a super-2 number, since 2×172374488² = 59425928226524288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 100970 + ... + 102662.

Almost surely, 2^172374488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172374488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192099600).

172374488 is an abundant number, since it is smaller than the sum of its proper divisors (211824712).

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

172374488 is a wasteful number, since it uses less digits than its factorization.

172374488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812 (or 1808 counting only the distinct ones).

The product of its digits is 301056, while the sum is 44.

The square root of 172374488 is about 13129.1465069135. The cubic root of 172374488 is about 556.5330963467.

The spelling of 172374488 in words is "one hundred seventy-two million, three hundred seventy-four thousand, four hundred eighty-eight".