63630402 has 16 divisors (see below), whose sum is σ = 138830112. Its totient is φ = 19281920.

The previous prime is 63630367. The next prime is 63630407. The reversal of 63630402 is 20403636.

63630402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63630407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481983 + ... + 482114.

It is an arithmetic number, because the mean of its divisors is an integer number (8676882).

Almost surely, 2^63630402 is an apocalyptic number.

63630402 is an abundant number, since it is smaller than the sum of its proper divisors (75199710).

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

63630402 is a wasteful number, since it uses less digits than its factorization.

63630402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964113.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 63630402 is about 7976.8666780886. The cubic root of 63630402 is about 399.2285171588.

The spelling of 63630402 in words is "sixty-three million, six hundred thirty thousand, four hundred two".