64818707 has 2 divisors, whose sum is σ = 64818708. Its totient is φ = 64818706.

The previous prime is 64818697. The next prime is 64818727. The reversal of 64818707 is 70781846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64818707 - 2⁶ = 64818643 is a prime.

It is not a weakly prime, because it can be changed into another prime (64818727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32409353 + 32409354.

It is an arithmetic number, because the mean of its divisors is an integer number (32409354).

Almost surely, 2^64818707 is an apocalyptic number.

64818707 is a deficient number, since it is larger than the sum of its proper divisors (1).

64818707 is an equidigital number, since it uses as much as digits as its factorization.

64818707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 64818707 is about 8051.0065830305. The cubic root of 64818707 is about 401.6984178188.

The spelling of 64818707 in words is "sixty-four million, eight hundred eighteen thousand, seven hundred seven".