64682245 has 4 divisors (see below), whose sum is σ = 77618700. Its totient is φ = 51745792.

The previous prime is 64682237. The next prime is 64682281. The reversal of 64682245 is 54228646.

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 12061729 + 52620516 = 3473^2 + 7254^2 .

It is a cyclic number.

It is not a de Polignac number, because 64682245 - 2³ = 64682237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6468220 + ... + 6468229.

It is an arithmetic number, because the mean of its divisors is an integer number (19404675).

Almost surely, 2^64682245 is an apocalyptic number.

It is an amenable number.

64682245 is a deficient number, since it is larger than the sum of its proper divisors (12936455).

64682245 is a wasteful number, since it uses less digits than its factorization.

64682245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12936454.

The product of its digits is 92160, while the sum is 37.

The square root of 64682245 is about 8042.5272769199. The cubic root of 64682245 is about 401.4163229046.

The spelling of 64682245 in words is "sixty-four million, six hundred eighty-two thousand, two hundred forty-five".