63700072 has 16 divisors (see below), whose sum is σ = 119658240. Its totient is φ = 31791216.

The previous prime is 63700067. The next prime is 63700097. The reversal of 63700072 is 27000736.

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, 2568 + ... + 11575.

It is an arithmetic number, because the mean of its divisors is an integer number (7478640).

Almost surely, 2^63700072 is an apocalyptic number.

It is an amenable number.

63700072 is a deficient number, since it is larger than the sum of its proper divisors (55958168).

63700072 is a wasteful number, since it uses less digits than its factorization.

63700072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14712 (or 14708 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 63700072 is about 7981.2324862768. The cubic root of 63700072 is about 399.3741713569.

The spelling of 63700072 in words is "sixty-three million, seven hundred thousand, seventy-two".