68808464 has 20 divisors (see below), whose sum is σ = 135308304. Its totient is φ = 33890208.

The previous prime is 68808461. The next prime is 68808521. The reversal of 68808464 is 46480886.

It is not an unprimeable number, because it can be changed into a prime (68808461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31022 + ... + 33165.

Almost surely, 2^68808464 is an apocalyptic number.

It is an amenable number.

68808464 is a deficient number, since it is larger than the sum of its proper divisors (66499840).

68808464 is a wasteful number, since it uses less digits than its factorization.

68808464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64262 (or 64256 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 68808464 is about 8295.0867385459. The cubic root of 68808464 is about 409.7767255479.

The spelling of 68808464 in words is "sixty-eight million, eight hundred eight thousand, four hundred sixty-four".