63394568 has 32 divisors (see below), whose sum is σ = 120748320. Its totient is φ = 31200000.

The previous prime is 63394567. The next prime is 63394607. The reversal of 63394568 is 86549336.

It is not an unprimeable number, because it can be changed into a prime (63394561) 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, 252443 + ... + 252693.

It is an arithmetic number, because the mean of its divisors is an integer number (3773385).

Almost surely, 2^63394568 is an apocalyptic number.

It is an amenable number.

63394568 is a deficient number, since it is larger than the sum of its proper divisors (57353752).

63394568 is a wasteful number, since it uses less digits than its factorization.

63394568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 625 counting only the distinct ones).

The product of its digits is 466560, while the sum is 44.

The square root of 63394568 is about 7962.0705849672. The cubic root of 63394568 is about 398.7346849986.

The spelling of 63394568 in words is "sixty-three million, three hundred ninety-four thousand, five hundred sixty-eight".