68971626 has 24 divisors (see below), whose sum is σ = 153478884. Its totient is φ = 22368960.

The previous prime is 68971619. The next prime is 68971627. The reversal of 68971626 is 62617986.

It can be written as a sum of positive squares in 2 ways, for example, as 68906601 + 65025 = 8301^2 + 255^2 .

It is not an unprimeable number, because it can be changed into a prime (68971627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51115 + ... + 52446.

Almost surely, 2^68971626 is an apocalyptic number.

68971626 is an abundant number, since it is smaller than the sum of its proper divisors (84507258).

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

68971626 is a wasteful number, since it uses less digits than its factorization.

68971626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103606 (or 103603 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 68971626 is about 8304.9157732032. The cubic root of 68971626 is about 410.1003640874.

The spelling of 68971626 in words is "sixty-eight million, nine hundred seventy-one thousand, six hundred twenty-six".