63637070672 has 60 divisors (see below), whose sum is σ = 143462532096. Its totient is φ = 27266258880.

The previous prime is 63637070597. The next prime is 63637070681. The reversal of 63637070672 is 27607073636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4354097 + ... + 4368687.

Almost surely, 2^63637070672 is an apocalyptic number.

It is an amenable number.

63637070672 is an abundant number, since it is smaller than the sum of its proper divisors (79825461424).

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

63637070672 is a wasteful number, since it uses less digits than its factorization.

63637070672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20176 (or 20163 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 47.

The spelling of 63637070672 in words is "sixty-three billion, six hundred thirty-seven million, seventy thousand, six hundred seventy-two".