63071864 has 8 divisors (see below), whose sum is σ = 118259760. Its totient is φ = 31535928.

The previous prime is 63071843. The next prime is 63071891. The reversal of 63071864 is 46817036.

63071864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 3941984 + ... + 3941999.

It is an arithmetic number, because the mean of its divisors is an integer number (14782470).

Almost surely, 2^63071864 is an apocalyptic number.

It is an amenable number.

63071864 is a deficient number, since it is larger than the sum of its proper divisors (55187896).

63071864 is a wasteful number, since it uses less digits than its factorization.

63071864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7883989 (or 7883985 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 63071864 is about 7941.7796494237. The cubic root of 63071864 is about 398.0569601061.

The spelling of 63071864 in words is "sixty-three million, seventy-one thousand, eight hundred sixty-four".