172874446030 has 64 divisors (see below), whose sum is σ = 368596702656. Its totient is φ = 58027728000.

The previous prime is 172874445973. The next prime is 172874446067. The reversal of 172874446030 is 30644478271.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326521 + ... + 672580.

It is an arithmetic number, because the mean of its divisors is an integer number (5759323479).

Almost surely, 2^172874446030 is an apocalyptic number.

172874446030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172874446030 is an abundant number, since it is smaller than the sum of its proper divisors (195722256626).

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

172874446030 is a wasteful number, since it uses less digits than its factorization.

172874446030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999154 (or 999132 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 172874446030 in words is "one hundred seventy-two billion, eight hundred seventy-four million, four hundred forty-six thousand, thirty".