63748965 has 64 divisors (see below), whose sum is σ = 122135040. Its totient is φ = 27786240.

The previous prime is 63748957. The next prime is 63748987. The reversal of 63748965 is 56984736.

It is not a de Polignac number, because 63748965 - 2³ = 63748957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 236851 + ... + 237119.

It is an arithmetic number, because the mean of its divisors is an integer number (1908360).

Almost surely, 2^63748965 is an apocalyptic number.

It is an amenable number.

63748965 is a deficient number, since it is larger than the sum of its proper divisors (58386075).

63748965 is a wasteful number, since it uses less digits than its factorization.

63748965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382.

The product of its digits is 1088640, while the sum is 48.

The square root of 63748965 is about 7984.2948968585. The cubic root of 63748965 is about 399.4763251274.

The spelling of 63748965 in words is "sixty-three million, seven hundred forty-eight thousand, nine hundred sixty-five".