64824685 has 8 divisors (see below), whose sum is σ = 78312600. Its totient is φ = 51511104.

The previous prime is 64824679. The next prime is 64824707. The reversal of 64824685 is 58642846.

It can be written as a sum of positive squares in 4 ways, for example, as 6084 + 64818601 = 78^2 + 8051^2 .

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 64824685 - 2⁵ = 64824653 is a prime.

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, 42762 + ... + 44251.

It is an arithmetic number, because the mean of its divisors is an integer number (9789075).

Almost surely, 2^64824685 is an apocalyptic number.

It is an amenable number.

64824685 is a deficient number, since it is larger than the sum of its proper divisors (13487915).

64824685 is a wasteful number, since it uses less digits than its factorization.

64824685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87167.

The product of its digits is 368640, while the sum is 43.

The square root of 64824685 is about 8051.3778323961. The cubic root of 64824685 is about 401.7107665137.

The spelling of 64824685 in words is "sixty-four million, eight hundred twenty-four thousand, six hundred eighty-five".