172373052 has 24 divisors (see below), whose sum is σ = 402461136. Its totient is φ = 57420928.

The previous prime is 172373039. The next prime is 172373053. The reversal of 172373052 is 250373271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172373053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20368 + ... + 27560.

It is an arithmetic number, because the mean of its divisors is an integer number (16769214).

Almost surely, 2^172373052 is an apocalyptic number.

172373052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172373052 is an abundant number, since it is smaller than the sum of its proper divisors (230088084).

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

172373052 is a wasteful number, since it uses less digits than its factorization.

172373052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197 (or 9195 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 172373052 is about 13129.0918193148. The cubic root of 172373052 is about 556.5315509058.

The spelling of 172373052 in words is "one hundred seventy-two million, three hundred seventy-three thousand, fifty-two".