63750400 has 108 divisors (see below), whose sum is σ = 180460672. Its totient is φ = 21841920.

The previous prime is 63750397. The next prime is 63750443. The reversal of 63750400 is 405736.

It is a super-2 number, since 2×63750400² = 8128227000320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44089 + ... + 45511.

Almost surely, 2^63750400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63750400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90230336).

63750400 is an abundant number, since it is smaller than the sum of its proper divisors (116710272).

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

63750400 is a wasteful number, since it uses less digits than its factorization.

63750400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 63750400 is about 7984.3847602680. The cubic root of 63750400 is about 399.4793225315.

The spelling of 63750400 in words is "sixty-three million, seven hundred fifty thousand, four hundred".