63572663 has 16 divisors (see below), whose sum is σ = 79453440. Its totient is φ = 49416000.

The previous prime is 63572657. The next prime is 63572681. The reversal of 63572663 is 36627536.

It is a cyclic number.

It is not a de Polignac number, because 63572663 - 2⁴ = 63572647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63572603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43088 + ... + 44538.

It is an arithmetic number, because the mean of its divisors is an integer number (4965840).

Almost surely, 2^63572663 is an apocalyptic number.

63572663 is a deficient number, since it is larger than the sum of its proper divisors (15880777).

63572663 is a wasteful number, since it uses less digits than its factorization.

63572663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038.

The product of its digits is 136080, while the sum is 38.

The square root of 63572663 is about 7973.2467038215. The cubic root of 63572663 is about 399.1077256796.

The spelling of 63572663 in words is "sixty-three million, five hundred seventy-two thousand, six hundred sixty-three".