63812464 has 20 divisors (see below), whose sum is σ = 126268704. Its totient is φ = 31227008.

The previous prime is 63812461. The next prime is 63812491. The reversal of 63812464 is 46421836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63812461) 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, 41677 + ... + 43180.

Almost surely, 2^63812464 is an apocalyptic number.

It is an amenable number.

63812464 is a deficient number, since it is larger than the sum of its proper divisors (62456240).

63812464 is a wasteful number, since it uses less digits than its factorization.

63812464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84912 (or 84906 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 63812464 is about 7988.2704010318. The cubic root of 63812464 is about 399.6089177613.

The spelling of 63812464 in words is "sixty-three million, eight hundred twelve thousand, four hundred sixty-four".