64790589 has 32 divisors (see below), whose sum is σ = 96501760. Its totient is φ = 38491200.

The previous prime is 64790569. The next prime is 64790597. The reversal of 64790589 is 98509746.

It is not a de Polignac number, because 64790589 - 2⁷ = 64790461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64790549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64884 + ... + 65874.

It is an arithmetic number, because the mean of its divisors is an integer number (3015680).

Almost surely, 2^64790589 is an apocalyptic number.

It is an amenable number.

64790589 is a deficient number, since it is larger than the sum of its proper divisors (31711171).

64790589 is a wasteful number, since it uses less digits than its factorization.

64790589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 64790589 is about 8049.2601523370. The cubic root of 64790589 is about 401.6403245601.

It can be divided in two parts, 64 and 790589, that added together give a triangular number (790653 = T₁₂₅₇).

The spelling of 64790589 in words is "sixty-four million, seven hundred ninety thousand, five hundred eighty-nine".