64328707 has 2 divisors, whose sum is σ = 64328708. Its totient is φ = 64328706.

The previous prime is 64328701. The next prime is 64328717. The reversal of 64328707 is 70782346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64328707 - 2²³ = 55940099 is a prime.

It is not a weakly prime, because it can be changed into another prime (64328701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32164353 + 32164354.

It is an arithmetic number, because the mean of its divisors is an integer number (32164354).

Almost surely, 2^64328707 is an apocalyptic number.

64328707 is a deficient number, since it is larger than the sum of its proper divisors (1).

64328707 is an equidigital number, since it uses as much as digits as its factorization.

64328707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 64328707 is about 8020.5178760477. The cubic root of 64328707 is about 400.6836371849.

The spelling of 64328707 in words is "sixty-four million, three hundred twenty-eight thousand, seven hundred seven".