63712938 has 16 divisors (see below), whose sum is σ = 127844640. Its totient is φ = 21167856.

The previous prime is 63712937. The next prime is 63712949. The reversal of 63712938 is 83921736.

It is a junction number, because it is equal to n+sod(n) for n = 63712896 and 63712905.

It is not an unprimeable number, because it can be changed into a prime (63712931) 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, 15453 + ... + 19136.

It is an arithmetic number, because the mean of its divisors is an integer number (7990290).

Almost surely, 2^63712938 is an apocalyptic number.

63712938 is an abundant number, since it is smaller than the sum of its proper divisors (64131702).

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

63712938 is a wasteful number, since it uses less digits than its factorization.

63712938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34901.

The product of its digits is 54432, while the sum is 39.

The square root of 63712938 is about 7982.0384614458. The cubic root of 63712938 is about 399.4010577848.

The spelling of 63712938 in words is "sixty-three million, seven hundred twelve thousand, nine hundred thirty-eight".