63579972 has 24 divisors (see below), whose sum is σ = 151804576. Its totient is φ = 20700288.

The previous prime is 63579961. The next prime is 63579979. The reversal of 63579972 is 27997536.

It is not an unprimeable number, because it can be changed into a prime (63579979) 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, 61093 + ... + 62124.

Almost surely, 2^63579972 is an apocalyptic number.

It is an amenable number.

63579972 is an abundant number, since it is smaller than the sum of its proper divisors (88224604).

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

63579972 is a wasteful number, since it uses less digits than its factorization.

63579972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123267 (or 123265 counting only the distinct ones).

The product of its digits is 714420, while the sum is 48.

The square root of 63579972 is about 7973.7050359290. The cubic root of 63579972 is about 399.1230203385.

The spelling of 63579972 in words is "sixty-three million, five hundred seventy-nine thousand, nine hundred seventy-two".