63420464 has 20 divisors (see below), whose sum is σ = 123664704. Its totient is φ = 31507008.

The previous prime is 63420433. The next prime is 63420517. The reversal of 63420464 is 46402436.

It is a happy number.

63420464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10112 + ... + 15135.

Almost surely, 2^63420464 is an apocalyptic number.

It is an amenable number.

63420464 is a deficient number, since it is larger than the sum of its proper divisors (60244240).

63420464 is a wasteful number, since it uses less digits than its factorization.

63420464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25412 (or 25406 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 63420464 is about 7963.6966290787. The cubic root of 63420464 is about 398.7889705527.

The spelling of 63420464 in words is "sixty-three million, four hundred twenty thousand, four hundred sixty-four".