63750402 has 20 divisors (see below), whose sum is σ = 142848486. Its totient is φ = 21250080.

The previous prime is 63750397. The next prime is 63750443. The reversal of 63750402 is 20405736.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54331641 + 9418761 = 7371^2 + 3069^2 .

It is a super-2 number, since 2×63750402² = 8128227510323208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 196599 + ... + 196922.

Almost surely, 2^63750402 is an apocalyptic number.

63750402 is an abundant number, since it is smaller than the sum of its proper divisors (79098084).

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

63750402 is a wasteful number, since it uses less digits than its factorization.

63750402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393535 (or 393526 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 63750402 is about 7984.3848855125. The cubic root of 63750402 is about 399.4793267090.

The spelling of 63750402 in words is "sixty-three million, seven hundred fifty thousand, four hundred two".