64618327 has 2 divisors, whose sum is σ = 64618328. Its totient is φ = 64618326.

The previous prime is 64618321. The next prime is 64618381. The reversal of 64618327 is 72381646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64618327 - 2¹⁵ = 64585559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64618321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32309163 + 32309164.

It is an arithmetic number, because the mean of its divisors is an integer number (32309164).

Almost surely, 2^64618327 is an apocalyptic number.

64618327 is a deficient number, since it is larger than the sum of its proper divisors (1).

64618327 is an equidigital number, since it uses as much as digits as its factorization.

64618327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 64618327 is about 8038.5525438352. The cubic root of 64618327 is about 401.2840548472.

The spelling of 64618327 in words is "sixty-four million, six hundred eighteen thousand, three hundred twenty-seven".