64970433 has 12 divisors (see below), whose sum is σ = 102377808. Its totient is φ = 39375960.

The previous prime is 64970417. The next prime is 64970453. The reversal of 64970433 is 33407946.

64970433 is a `hidden beast` number, since 649 + 7 + 0 + 4 + 3 + 3 = 666.

It is not a de Polignac number, because 64970433 - 2⁴ = 64970417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64970453) 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 11 ways as a sum of consecutive naturals, for example, 328035 + ... + 328232.

It is an arithmetic number, because the mean of its divisors is an integer number (8531484).

Almost surely, 2^64970433 is an apocalyptic number.

It is an amenable number.

64970433 is a deficient number, since it is larger than the sum of its proper divisors (37407375).

64970433 is a wasteful number, since it uses less digits than its factorization.

64970433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656284 (or 656281 counting only the distinct ones).

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

The square root of 64970433 is about 8060.4238722291. The cubic root of 64970433 is about 402.0116021007.

The spelling of 64970433 in words is "sixty-four million, nine hundred seventy thousand, four hundred thirty-three".