63940317 has 8 divisors (see below), whose sum is σ = 97432896. Its totient is φ = 36537312.

The previous prime is 63940307. The next prime is 63940333. The reversal of 63940317 is 71304936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63940317 - 2⁸ = 63940061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63940307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522368 + ... + 1522409.

It is an arithmetic number, because the mean of its divisors is an integer number (12179112).

Almost surely, 2^63940317 is an apocalyptic number.

It is an amenable number.

63940317 is a deficient number, since it is larger than the sum of its proper divisors (33492579).

63940317 is a wasteful number, since it uses less digits than its factorization.

63940317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044787.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 63940317 is about 7996.2689424506. The cubic root of 63940317 is about 399.8756217458.

The spelling of 63940317 in words is "sixty-three million, nine hundred forty thousand, three hundred seventeen".