63964075 has 12 divisors (see below), whose sum is σ = 90646480. Its totient is φ = 43860960.

The previous prime is 63964049. The next prime is 63964093. The reversal of 63964075 is 57046936.

It is not a de Polignac number, because 63964075 - 2¹⁹ = 63439787 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182580 + ... + 182929.

Almost surely, 2^63964075 is an apocalyptic number.

63964075 is a deficient number, since it is larger than the sum of its proper divisors (26682405).

63964075 is a wasteful number, since it uses less digits than its factorization.

63964075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365526 (or 365521 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 63964075 is about 7997.7543723223. The cubic root of 63964075 is about 399.9251422417.

It can be divided in two parts, 6 and 3964075, that added together give a square (3964081 = 1991²).

The spelling of 63964075 in words is "sixty-three million, nine hundred sixty-four thousand, seventy-five".