64677307 has 2 divisors, whose sum is σ = 64677308. Its totient is φ = 64677306.

The previous prime is 64677281. The next prime is 64677329. The reversal of 64677307 is 70377646.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64677307 - 2¹⁵ = 64644539 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64677307.

It is not a weakly prime, because it can be changed into another prime (64627307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32338653 + 32338654.

It is an arithmetic number, because the mean of its divisors is an integer number (32338654).

Almost surely, 2^64677307 is an apocalyptic number.

64677307 is a deficient number, since it is larger than the sum of its proper divisors (1).

64677307 is an equidigital number, since it uses as much as digits as its factorization.

64677307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 64677307 is about 8042.2202780078. The cubic root of 64677307 is about 401.4061076116.

The spelling of 64677307 in words is "sixty-four million, six hundred seventy-seven thousand, three hundred seven".