68937451 has 6 divisors (see below), whose sum is σ = 75774356. Its totient is φ = 62670300.

The previous prime is 68937443. The next prime is 68937469. The reversal of 68937451 is 15473986.

It is not a de Polignac number, because 68937451 - 2³ = 68937443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68937398 and 68937407.

It is not an unprimeable number, because it can be changed into a prime (68937151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 284745 + ... + 284986.

Almost surely, 2^68937451 is an apocalyptic number.

68937451 is a deficient number, since it is larger than the sum of its proper divisors (6836905).

68937451 is a wasteful number, since it uses less digits than its factorization.

68937451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569753 (or 569742 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 68937451 is about 8302.8580019172. The cubic root of 68937451 is about 410.0326188603.

The spelling of 68937451 in words is "sixty-eight million, nine hundred thirty-seven thousand, four hundred fifty-one".