63731364 has 24 divisors (see below), whose sum is σ = 149193408. Its totient is φ = 21174240.

The previous prime is 63731363. The next prime is 63731399. The reversal of 63731364 is 46313736.

It is not an unprimeable number, because it can be changed into a prime (63731363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4807 + ... + 12270.

It is an arithmetic number, because the mean of its divisors is an integer number (6216392).

Almost surely, 2^63731364 is an apocalyptic number.

It is an amenable number.

63731364 is an abundant number, since it is smaller than the sum of its proper divisors (85462044).

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

63731364 is a wasteful number, since it uses less digits than its factorization.

63731364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17395 (or 17393 counting only the distinct ones).

The product of its digits is 27216, while the sum is 33.

The square root of 63731364 is about 7983.1925944449. The cubic root of 63731364 is about 399.4395567919.

The spelling of 63731364 in words is "sixty-three million, seven hundred thirty-one thousand, three hundred sixty-four".