64432327 has 2 divisors, whose sum is σ = 64432328. Its totient is φ = 64432326.

The previous prime is 64432309. The next prime is 64432339. The reversal of 64432327 is 72323446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64432327 - 2²³ = 56043719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64432387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32216163 + 32216164.

It is an arithmetic number, because the mean of its divisors is an integer number (32216164).

Almost surely, 2^64432327 is an apocalyptic number.

64432327 is a deficient number, since it is larger than the sum of its proper divisors (1).

64432327 is an equidigital number, since it uses as much as digits as its factorization.

64432327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 31.

The square root of 64432327 is about 8026.9749594726. The cubic root of 64432327 is about 400.8986607601.

The spelling of 64432327 in words is "sixty-four million, four hundred thirty-two thousand, three hundred twenty-seven".