64363671 has 12 divisors (see below), whose sum is σ = 93929472. Its totient is φ = 42466176.

The previous prime is 64363667. The next prime is 64363681. The reversal of 64363671 is 17636346.

It is a happy number.

64363671 is a `hidden beast` number, since 643 + 6 + 3 + 6 + 7 + 1 = 666.

It is not a de Polignac number, because 64363671 - 2² = 64363667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64363681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35991 + ... + 37736.

It is an arithmetic number, because the mean of its divisors is an integer number (7827456).

Almost surely, 2^64363671 is an apocalyptic number.

64363671 is a deficient number, since it is larger than the sum of its proper divisors (29565801).

64363671 is a wasteful number, since it uses less digits than its factorization.

64363671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73830 (or 73827 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 64363671 is about 8022.6972397069. The cubic root of 64363671 is about 400.7562173540.

The spelling of 64363671 in words is "sixty-four million, three hundred sixty-three thousand, six hundred seventy-one".