68772464 has 10 divisors (see below), whose sum is σ = 133246680. Its totient is φ = 34386224.

The previous prime is 68772433. The next prime is 68772467. The reversal of 68772464 is 46427786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68772467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2149124 + ... + 2149155.

It is an arithmetic number, because the mean of its divisors is an integer number (13324668).

Almost surely, 2^68772464 is an apocalyptic number.

It is an amenable number.

68772464 is a deficient number, since it is larger than the sum of its proper divisors (64474216).

68772464 is a wasteful number, since it uses less digits than its factorization.

68772464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298287 (or 4298281 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 68772464 is about 8292.9164954194. The cubic root of 68772464 is about 409.7052491882.

The spelling of 68772464 in words is "sixty-eight million, seven hundred seventy-two thousand, four hundred sixty-four".