63613068 has 12 divisors (see below), whose sum is σ = 148430520. Its totient is φ = 21204352.

The previous prime is 63613051. The next prime is 63613079. The reversal of 63613068 is 86031636.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2650533 + ... + 2650556.

It is an arithmetic number, because the mean of its divisors is an integer number (12369210).

Almost surely, 2^63613068 is an apocalyptic number.

It is an amenable number.

63613068 is an abundant number, since it is smaller than the sum of its proper divisors (84817452).

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

63613068 is a wasteful number, since it uses less digits than its factorization.

63613068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5301096 (or 5301094 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 63613068 is about 7975.7800872391. The cubic root of 63613068 is about 399.1922616615.

The spelling of 63613068 in words is "sixty-three million, six hundred thirteen thousand, sixty-eight".