172016976 has 40 divisors (see below), whose sum is σ = 455220864. Its totient is φ = 55939840.

The previous prime is 172016969. The next prime is 172016983. The reversal of 172016976 is 679610271.

It is an interprime number because it is at equal distance from previous prime (172016969) and next prime (172016983).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41736 + ... + 45671.

Almost surely, 2^172016976 is an apocalyptic number.

172016976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

172016976 is an abundant number, since it is smaller than the sum of its proper divisors (283203888).

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

172016976 is a wasteful number, since it uses less digits than its factorization.

172016976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87459 (or 87453 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 172016976 is about 13115.5242365679. The cubic root of 172016976 is about 556.1480722888.

The spelling of 172016976 in words is "one hundred seventy-two million, sixteen thousand, nine hundred seventy-six".