63031960 has 64 divisors (see below), whose sum is σ = 149402880. Its totient is φ = 23886720.

The previous prime is 63031957. The next prime is 63031973. The reversal of 63031960 is 6913036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120259 + ... + 120781.

It is an arithmetic number, because the mean of its divisors is an integer number (2334420).

Almost surely, 2^63031960 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 63031960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74701440).

63031960 is an abundant number, since it is smaller than the sum of its proper divisors (86370920).

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

63031960 is a wasteful number, since it uses less digits than its factorization.

63031960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 63031960 is about 7939.2669686817. The cubic root of 63031960 is about 397.9729954827.

Adding to 63031960 its reverse (6913036), we get a palindrome (69944996).

The spelling of 63031960 in words is "sixty-three million, thirty-one thousand, nine hundred sixty".