63620017472 has 28 divisors (see below), whose sum is σ = 137722880256. Its totient is φ = 28918189440.

The previous prime is 63620017459. The next prime is 63620017511. The reversal of 63620017472 is 27471002636.

It is a congruent number.

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, 45183968 + ... + 45185375.

Almost surely, 2^63620017472 is an apocalyptic number.

It is an amenable number.

63620017472 is an abundant number, since it is smaller than the sum of its proper divisors (74102862784).

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

63620017472 is a wasteful number, since it uses less digits than its factorization.

63620017472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90369366 (or 90369356 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 63620017472 in words is "sixty-three billion, six hundred twenty million, seventeen thousand, four hundred seventy-two".