63968974 has 16 divisors (see below), whose sum is σ = 98961408. Its totient is φ = 30995352.

The previous prime is 63968963. The next prime is 63969001. The reversal of 63968974 is 47986936.

63968974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63968974² = 8184059269225352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6379 + ... + 12985.

It is an arithmetic number, because the mean of its divisors is an integer number (6185088).

Almost surely, 2^63968974 is an apocalyptic number.

63968974 is a deficient number, since it is larger than the sum of its proper divisors (34992434).

63968974 is a wasteful number, since it uses less digits than its factorization.

63968974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6759.

The product of its digits is 1959552, while the sum is 52.

The square root of 63968974 is about 7998.0606399302. The cubic root of 63968974 is about 399.9353520522.

The spelling of 63968974 in words is "sixty-three million, nine hundred sixty-eight thousand, nine hundred seventy-four".