64794589 has 4 divisors (see below), whose sum is σ = 64830780. Its totient is φ = 64758400.

The previous prime is 64794571. The next prime is 64794641. The reversal of 64794589 is 98549746.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16728100 + 48066489 = 4090^2 + 6933^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64794589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64794559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15262 + ... + 19039.

It is an arithmetic number, because the mean of its divisors is an integer number (16207695).

Almost surely, 2^64794589 is an apocalyptic number.

It is an amenable number.

64794589 is a deficient number, since it is larger than the sum of its proper divisors (36191).

64794589 is a wasteful number, since it uses less digits than its factorization.

64794589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36190.

The product of its digits is 2177280, while the sum is 52.

The square root of 64794589 is about 8049.5086185431. The cubic root of 64794589 is about 401.6485897946.

The spelling of 64794589 in words is "sixty-four million, seven hundred ninety-four thousand, five hundred eighty-nine".