64232765 has 8 divisors (see below), whose sum is σ = 77134680. Its totient is φ = 51349312.

The previous prime is 64232747. The next prime is 64232789. The reversal of 64232765 is 56723246.

It can be written as a sum of positive squares in 4 ways, for example, as 10621081 + 53611684 = 3259^2 + 7322^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 64232765 - 2²⁴ = 47455549 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4787 + ... + 12303.

It is an arithmetic number, because the mean of its divisors is an integer number (9641835).

Almost surely, 2^64232765 is an apocalyptic number.

It is an amenable number.

64232765 is a deficient number, since it is larger than the sum of its proper divisors (12901915).

64232765 is a wasteful number, since it uses less digits than its factorization.

64232765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9231.

The product of its digits is 60480, while the sum is 35.

The square root of 64232765 is about 8014.5346090712. The cubic root of 64232765 is about 400.4843403826.

The spelling of 64232765 in words is "sixty-four million, two hundred thirty-two thousand, seven hundred sixty-five".