64833765 has 16 divisors (see below), whose sum is σ = 103863168. Its totient is φ = 34534976.

The previous prime is 64833701. The next prime is 64833779. The reversal of 64833765 is 56733846.

It is a cyclic number.

It is not a de Polignac number, because 64833765 - 2⁶ = 64833701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12547 + ... + 16943.

It is an arithmetic number, because the mean of its divisors is an integer number (6491448).

Almost surely, 2^64833765 is an apocalyptic number.

It is an amenable number.

64833765 is a deficient number, since it is larger than the sum of its proper divisors (39029403).

64833765 is a wasteful number, since it uses less digits than its factorization.

64833765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388.

The product of its digits is 362880, while the sum is 42.

The square root of 64833765 is about 8051.9416912941. The cubic root of 64833765 is about 401.7295215269.

The spelling of 64833765 in words is "sixty-four million, eight hundred thirty-three thousand, seven hundred sixty-five".