172073944 has 16 divisors (see below), whose sum is σ = 368730000. Its totient is φ = 73745952.

The previous prime is 172073927. The next prime is 172073969. The reversal of 172073944 is 449370271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1536319 + ... + 1536430.

It is an arithmetic number, because the mean of its divisors is an integer number (23045625).

Almost surely, 2^172073944 is an apocalyptic number.

172073944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

172073944 is an abundant number, since it is smaller than the sum of its proper divisors (196656056).

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

172073944 is a wasteful number, since it uses less digits than its factorization.

172073944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072762 (or 3072758 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 172073944 is about 13117.6958342538. The cubic root of 172073944 is about 556.2094599247.

The spelling of 172073944 in words is "one hundred seventy-two million, seventy-three thousand, nine hundred forty-four".