64352745 has 32 divisors (see below), whose sum is σ = 118103040. Its totient is φ = 33212160.

The previous prime is 64352741. The next prime is 64352747. The reversal of 64352745 is 54725346.

64352745 is a `hidden beast` number, since 643 + 5 + 2 + 7 + 4 + 5 = 666.

It is not a de Polignac number, because 64352745 - 2² = 64352741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64352741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3504 + ... + 11873.

It is an arithmetic number, because the mean of its divisors is an integer number (3690720).

Almost surely, 2^64352745 is an apocalyptic number.

It is an amenable number.

64352745 is a deficient number, since it is larger than the sum of its proper divisors (53750295).

64352745 is a wasteful number, since it uses less digits than its factorization.

64352745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15422 (or 15416 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 64352745 is about 8022.0162677472. The cubic root of 64352745 is about 400.7335393943.

It can be divided in two parts, 6435 and 2745, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 64352745 in words is "sixty-four million, three hundred fifty-two thousand, seven hundred forty-five".