63135372 has 24 divisors (see below), whose sum is σ = 147583296. Its totient is φ = 21006928.

The previous prime is 63135353. The next prime is 63135379. The reversal of 63135372 is 27353136.

It is not an unprimeable number, because it can be changed into a prime (63135379) 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, 2563 + ... + 11525.

It is an arithmetic number, because the mean of its divisors is an integer number (6149304).

Almost surely, 2^63135372 is an apocalyptic number.

It is an amenable number.

63135372 is an abundant number, since it is smaller than the sum of its proper divisors (84447924).

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

63135372 is a wasteful number, since it uses less digits than its factorization.

63135372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9557 (or 9555 counting only the distinct ones).

The product of its digits is 11340, while the sum is 30.

The square root of 63135372 is about 7945.7769915849. The cubic root of 63135372 is about 398.1905184510.

The spelling of 63135372 in words is "sixty-three million, one hundred thirty-five thousand, three hundred seventy-two".