68972964 has 24 divisors (see below), whose sum is σ = 169407840. Its totient is φ = 21780864.

The previous prime is 68972963. The next prime is 68972971. The reversal of 68972964 is 46927986.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68972963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151029 + ... + 151484.

It is an arithmetic number, because the mean of its divisors is an integer number (7058660).

Almost surely, 2^68972964 is an apocalyptic number.

It is an amenable number.

68972964 is an abundant number, since it is smaller than the sum of its proper divisors (100434876).

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

68972964 is a wasteful number, since it uses less digits than its factorization.

68972964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302539 (or 302537 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 68972964 is about 8304.9963275127. The cubic root of 68972964 is about 410.1030159544.

The spelling of 68972964 in words is "sixty-eight million, nine hundred seventy-two thousand, nine hundred sixty-four".