63734975 has 12 divisors (see below), whose sum is σ = 79604280. Its totient is φ = 50618400.

The previous prime is 63734971. The next prime is 63734999. The reversal of 63734975 is 57943736.

It is not a de Polignac number, because 63734975 - 2² = 63734971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63734971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5696 + ... + 12645.

It is an arithmetic number, because the mean of its divisors is an integer number (6633690).

Almost surely, 2^63734975 is an apocalyptic number.

63734975 is a deficient number, since it is larger than the sum of its proper divisors (15869305).

63734975 is a wasteful number, since it uses less digits than its factorization.

63734975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18490 (or 18485 counting only the distinct ones).

The product of its digits is 476280, while the sum is 44.

The square root of 63734975 is about 7983.4187538923. The cubic root of 63734975 is about 399.4471006913.

The spelling of 63734975 in words is "sixty-three million, seven hundred thirty-four thousand, nine hundred seventy-five".