63287064 has 24 divisors (see below), whose sum is σ = 171402660. Its totient is φ = 21095664.

The previous prime is 63287041. The next prime is 63287069. The reversal of 63287064 is 46078236.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63287069) 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, 439422 + ... + 439565.

Almost surely, 2^63287064 is an apocalyptic number.

It is an amenable number.

63287064 is an abundant number, since it is smaller than the sum of its proper divisors (108115596).

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

63287064 is a wasteful number, since it uses less digits than its factorization.

63287064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878999 (or 878992 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 63287064 is about 7955.3167127400. The cubic root of 63287064 is about 398.5091671130.

The spelling of 63287064 in words is "sixty-three million, two hundred eighty-seven thousand, sixty-four".