172970968 has 8 divisors (see below), whose sum is σ = 324320580. Its totient is φ = 86485480.

The previous prime is 172970939. The next prime is 172970969. The reversal of 172970968 is 869079271.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172970969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10810678 + ... + 10810693.

Almost surely, 2^172970968 is an apocalyptic number.

It is an amenable number.

172970968 is a deficient number, since it is larger than the sum of its proper divisors (151349612).

172970968 is a wasteful number, since it uses less digits than its factorization.

172970968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21621377 (or 21621373 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 172970968 is about 13151.8427606172. The cubic root of 172970968 is about 557.1742946601.

The spelling of 172970968 in words is "one hundred seventy-two million, nine hundred seventy thousand, nine hundred sixty-eight".