63931074 has 16 divisors (see below), whose sum is σ = 127941120. Its totient is φ = 21297200.

The previous prime is 63931069. The next prime is 63931123. The reversal of 63931074 is 47013936.

63931074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 15424 + ... + 19124.

It is an arithmetic number, because the mean of its divisors is an integer number (7996320).

Almost surely, 2^63931074 is an apocalyptic number.

63931074 is an abundant number, since it is smaller than the sum of its proper divisors (64010046).

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

63931074 is a wasteful number, since it uses less digits than its factorization.

63931074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6585.

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

The square root of 63931074 is about 7995.6909645133. The cubic root of 63931074 is about 399.8563525864.

It can be divided in two parts, 639 and 31074, that added together give a palindrome (31713).

The spelling of 63931074 in words is "sixty-three million, nine hundred thirty-one thousand, seventy-four".