64683085 has 4 divisors (see below), whose sum is σ = 77619708. Its totient is φ = 51746464.

The previous prime is 64683083. The next prime is 64683097. The reversal of 64683085 is 58038646.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48191364 + 16491721 = 6942^2 + 4061^2 .

It is a cyclic number.

It is not a de Polignac number, because 64683085 - 2¹ = 64683083 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64683083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6468304 + ... + 6468313.

It is an arithmetic number, because the mean of its divisors is an integer number (19404927).

Almost surely, 2^64683085 is an apocalyptic number.

It is an amenable number.

64683085 is a deficient number, since it is larger than the sum of its proper divisors (12936623).

64683085 is a wasteful number, since it uses less digits than its factorization.

64683085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12936622.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 64683085 is about 8042.5794991408. The cubic root of 64683085 is about 401.4180605698.

The spelling of 64683085 in words is "sixty-four million, six hundred eighty-three thousand, eighty-five".