64365336 has 48 divisors (see below), whose sum is σ = 199227600. Its totient is φ = 18389952.

The previous prime is 64365299. The next prime is 64365337. The reversal of 64365336 is 63356346.

It is a happy number.

64365336 is a `hidden beast` number, since 643 + 6 + 5 + 3 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 64365336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64365337) 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, 63351 + ... + 64358.

It is an arithmetic number, because the mean of its divisors is an integer number (4150575).

Almost surely, 2^64365336 is an apocalyptic number.

It is an amenable number.

64365336 is an abundant number, since it is smaller than the sum of its proper divisors (134862264).

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

64365336 is a wasteful number, since it uses less digits than its factorization.

64365336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127728 (or 127721 counting only the distinct ones).

The product of its digits is 116640, while the sum is 36.

The square root of 64365336 is about 8022.8010071296. The cubic root of 64365336 is about 400.7596729957.

The spelling of 64365336 in words is "sixty-four million, three hundred sixty-five thousand, three hundred thirty-six".