68973588 has 18 divisors (see below), whose sum is σ = 174349994. Its totient is φ = 22991184.

The previous prime is 68973577. The next prime is 68973601. The reversal of 68973588 is 88537986.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42224004 + 26749584 = 6498^2 + 5172^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 957931 + ... + 958002.

Almost surely, 2^68973588 is an apocalyptic number.

It is an amenable number.

68973588 is an abundant number, since it is smaller than the sum of its proper divisors (105376406).

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

68973588 is a wasteful number, since it uses less digits than its factorization.

68973588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915943 (or 1915938 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 68973588 is about 8305.0338951747. The cubic root of 68973588 is about 410.1042526878.

The spelling of 68973588 in words is "sixty-eight million, nine hundred seventy-three thousand, five hundred eighty-eight".