64047366 has 24 divisors (see below), whose sum is σ = 146073720. Its totient is φ = 20225376.

The previous prime is 64047359. The next prime is 64047397. The reversal of 64047366 is 66374046.

64047366 is a `hidden beast` number, since 640 + 4 + 7 + 3 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 64047366.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93295 + ... + 93978.

It is an arithmetic number, because the mean of its divisors is an integer number (6086405).

Almost surely, 2^64047366 is an apocalyptic number.

64047366 is an abundant number, since it is smaller than the sum of its proper divisors (82026354).

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

64047366 is a wasteful number, since it uses less digits than its factorization.

64047366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187300 (or 187297 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 64047366 is about 8002.9598274638. The cubic root of 64047366 is about 400.0986548327.

The spelling of 64047366 in words is "sixty-four million, forty-seven thousand, three hundred sixty-six".