172469880 has 192 divisors, whose sum is σ = 619164000. Its totient is φ = 41287680.

The previous prime is 172469851. The next prime is 172469909. The reversal of 172469880 is 88964271.

It is an interprime number because it is at equal distance from previous prime (172469851) and next prime (172469909).

It is a hoax number, since the sum of its digits (45) 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 (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 383896 + ... + 384344.

Almost surely, 2^172469880 is an apocalyptic number.

172469880 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 172469880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309582000).

172469880 is an abundant number, since it is smaller than the sum of its proper divisors (446694120).

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

172469880 is a wasteful number, since it uses less digits than its factorization.

172469880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 172469880 is about 13132.7788377022. The cubic root of 172469880 is about 556.6357391752.

The spelling of 172469880 in words is "one hundred seventy-two million, four hundred sixty-nine thousand, eight hundred eighty".