63748900 has 18 divisors (see below), whose sum is σ = 138335330. Its totient is φ = 25499520.

The previous prime is 63748879. The next prime is 63748903. The reversal of 63748900 is 984736.

It can be written as a sum of positive squares in 3 ways, for example, as 9696996 + 54051904 = 3114^2 + 7352^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63748900.

It is not an unprimeable number, because it can be changed into a prime (63748903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 318645 + ... + 318844.

Almost surely, 2^63748900 is an apocalyptic number.

It is an amenable number.

63748900 is an abundant number, since it is smaller than the sum of its proper divisors (74586430).

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

63748900 is a wasteful number, since it uses less digits than its factorization.

63748900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637503 (or 637496 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 63748900 is about 7984.2908263665. The cubic root of 63748900 is about 399.4761893554.

The spelling of 63748900 in words is "sixty-three million, seven hundred forty-eight thousand, nine hundred".