63970695 has 16 divisors (see below), whose sum is σ = 113725920. Its totient is φ = 34117632.

The previous prime is 63970681. The next prime is 63970721. The reversal of 63970695 is 59607936.

63970695 is a `hidden beast` number, since 639 + 7 + 0 + 6 + 9 + 5 = 666.

63970695 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63970695 - 2⁶ = 63970631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 63970695.

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 15 ways as a sum of consecutive naturals, for example, 236794 + ... + 237063.

It is an arithmetic number, because the mean of its divisors is an integer number (7107870).

Almost surely, 2^63970695 is an apocalyptic number.

63970695 is a deficient number, since it is larger than the sum of its proper divisors (49755225).

63970695 is a wasteful number, since it uses less digits than its factorization.

63970695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473871 (or 473865 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 63970695 is about 7998.1682277882. The cubic root of 63970695 is about 399.9389385959.

The spelling of 63970695 in words is "sixty-three million, nine hundred seventy thousand, six hundred ninety-five".