68972628 has 24 divisors (see below), whose sum is σ = 162443232. Its totient is φ = 22775584.

The previous prime is 68972623. The next prime is 68972677. The reversal of 68972628 is 82627986.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68972623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25575 + ... + 28142.

It is an arithmetic number, because the mean of its divisors is an integer number (6768468).

Almost surely, 2^68972628 is an apocalyptic number.

It is an amenable number.

68972628 is an abundant number, since it is smaller than the sum of its proper divisors (93470604).

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

68972628 is a wasteful number, since it uses less digits than its factorization.

68972628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53831 (or 53829 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 68972628 is about 8304.9760987013. The cubic root of 68972628 is about 410.1023500179.

The spelling of 68972628 in words is "sixty-eight million, nine hundred seventy-two thousand, six hundred twenty-eight".