63902130 has 64 divisors (see below), whose sum is σ = 163814400. Its totient is φ = 15906240.

The previous prime is 63902087. The next prime is 63902131. The reversal of 63902130 is 3120936.

It is a self number, because there is not a number n which added to its sum of digits gives 63902130.

It is not an unprimeable number, because it can be changed into a prime (63902131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39681 + ... + 41259.

It is an arithmetic number, because the mean of its divisors is an integer number (2559600).

Almost surely, 2^63902130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63902130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81907200).

63902130 is an abundant number, since it is smaller than the sum of its proper divisors (99912270).

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

63902130 is a wasteful number, since it uses less digits than its factorization.

63902130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 63902130 is about 7993.8807847003. The cubic root of 63902130 is about 399.7960001445.

The spelling of 63902130 in words is "sixty-three million, nine hundred two thousand, one hundred thirty".