63873372 has 24 divisors (see below), whose sum is σ = 149296000. Its totient is φ = 21254256.

The previous prime is 63873371. The next prime is 63873377. The reversal of 63873372 is 27337836.

It is a self number, because there is not a number n which added to its sum of digits gives 63873372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63873371) 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, 3129 + ... + 11727.

Almost surely, 2^63873372 is an apocalyptic number.

It is an amenable number.

63873372 is an abundant number, since it is smaller than the sum of its proper divisors (85422628).

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

63873372 is a wasteful number, since it uses less digits than its factorization.

63873372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9225 (or 9223 counting only the distinct ones).

The product of its digits is 127008, while the sum is 39.

The square root of 63873372 is about 7992.0818314129. The cubic root of 63873372 is about 399.7360174881.

The spelling of 63873372 in words is "sixty-three million, eight hundred seventy-three thousand, three hundred seventy-two".