64752189 has 8 divisors (see below), whose sum is σ = 86387232. Its totient is φ = 43142640.

The previous prime is 64752179. The next prime is 64752197. The reversal of 64752189 is 98125746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64752189 - 2¹⁶ = 64686653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64752189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64752139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667 + ... + 11399.

It is an arithmetic number, because the mean of its divisors is an integer number (10798404).

Almost surely, 2^64752189 is an apocalyptic number.

It is an amenable number.

64752189 is a deficient number, since it is larger than the sum of its proper divisors (21635043).

64752189 is a wasteful number, since it uses less digits than its factorization.

64752189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12747.

The product of its digits is 120960, while the sum is 42.

The square root of 64752189 is about 8046.8744864078. The cubic root of 64752189 is about 401.5609609948.

The spelling of 64752189 in words is "sixty-four million, seven hundred fifty-two thousand, one hundred eighty-nine".