172968896 has 14 divisors (see below), whose sum is σ = 343235280. Its totient is φ = 86484416.

The previous prime is 172968881. The next prime is 172968911. The reversal of 172968896 is 698869271.

It is an interprime number because it is at equal distance from previous prime (172968881) and next prime (172968911).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1351256 + ... + 1351383.

Almost surely, 2^172968896 is an apocalyptic number.

172968896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

172968896 is a deficient number, since it is larger than the sum of its proper divisors (170266384).

172968896 is an equidigital number, since it uses as much as digits as its factorization.

172968896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702651 (or 2702641 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 56.

The square root of 172968896 is about 13151.7639881500. The cubic root of 172968896 is about 557.1720698749.

The spelling of 172968896 in words is "one hundred seventy-two million, nine hundred sixty-eight thousand, eight hundred ninety-six".