64332071 has 2 divisors, whose sum is σ = 64332072. Its totient is φ = 64332070.

The previous prime is 64332067. The next prime is 64332077. The reversal of 64332071 is 17023346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64332071 - 2² = 64332067 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 64332071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64332077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32166035 + 32166036.

It is an arithmetic number, because the mean of its divisors is an integer number (32166036).

Almost surely, 2^64332071 is an apocalyptic number.

64332071 is a deficient number, since it is larger than the sum of its proper divisors (1).

64332071 is an equidigital number, since it uses as much as digits as its factorization.

64332071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 64332071 is about 8020.7275854501. The cubic root of 64332071 is about 400.6906215019.

The spelling of 64332071 in words is "sixty-four million, three hundred thirty-two thousand, seventy-one".