172974204000 has 960 divisors, whose sum is σ = 690585255360. Its totient is φ = 42578265600.

The previous prime is 172974203999. The next prime is 172974204017. The reversal of 172974204000 is 402479271.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 13305707994 + ... + 13305708006.

It is an arithmetic number, because the mean of its divisors is an integer number (719359641).

Almost surely, 2^172974204000 is an apocalyptic number.

172974204000 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 172974204000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345292627680).

172974204000 is an abundant number, since it is smaller than the sum of its proper divisors (517611051360).

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

172974204000 is an frugal number, since it uses more digits than its factorization.

172974204000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 172974204000 in words is "one hundred seventy-two billion, nine hundred seventy-four million, two hundred four thousand".