32664319 has 2 divisors, whose sum is σ = 32664320. Its totient is φ = 32664318.

The previous prime is 32664311. The next prime is 32664329. The reversal of 32664319 is 91346623.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32664319 - 2³ = 32664311 is a prime.

It is a super-2 number, since 2×32664319² = 2133915471467522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32664311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16332159 + 16332160.

It is an arithmetic number, because the mean of its divisors is an integer number (16332160).

Almost surely, 2^32664319 is an apocalyptic number.

32664319 is a deficient number, since it is larger than the sum of its proper divisors (1).

32664319 is an equidigital number, since it uses as much as digits as its factorization.

32664319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 34.

The square root of 32664319 is about 5715.2706847533. The cubic root of 32664319 is about 319.6621401538.

The spelling of 32664319 in words is "thirty-two million, six hundred sixty-four thousand, three hundred nineteen".