64885733 has 8 divisors (see below), whose sum is σ = 71486496. Its totient is φ = 58402000.

The previous prime is 64885721. The next prime is 64885747. The reversal of 64885733 is 33758846.

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 64885733 - 2⁶ = 64885669 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 (64885433) 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, 28091 + ... + 30312.

It is an arithmetic number, because the mean of its divisors is an integer number (8935812).

Almost surely, 2^64885733 is an apocalyptic number.

It is an amenable number.

64885733 is a deficient number, since it is larger than the sum of its proper divisors (6600763).

64885733 is a wasteful number, since it uses less digits than its factorization.

64885733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58515.

The product of its digits is 483840, while the sum is 44.

The square root of 64885733 is about 8055.1680925974. The cubic root of 64885733 is about 401.8368293173.

It can be divided in two parts, 6488 and 5733, that added together give a palindrome (12221).

The spelling of 64885733 in words is "sixty-four million, eight hundred eighty-five thousand, seven hundred thirty-three".