63568940 has 24 divisors (see below), whose sum is σ = 133712880. Its totient is φ = 25386048.

The previous prime is 63568937. The next prime is 63568969. The reversal of 63568940 is 4986536.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11939 + ... + 16421.

It is an arithmetic number, because the mean of its divisors is an integer number (5571370).

Almost surely, 2^63568940 is an apocalyptic number.

It is an amenable number.

63568940 is an abundant number, since it is smaller than the sum of its proper divisors (70143940).

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

63568940 is a wasteful number, since it uses less digits than its factorization.

63568940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201 (or 5199 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 63568940 is about 7973.0132321476. The cubic root of 63568940 is about 399.0999345579.

The spelling of 63568940 in words is "sixty-three million, five hundred sixty-eight thousand, nine hundred forty".