64432007 has 2 divisors, whose sum is σ = 64432008. Its totient is φ = 64432006.

The previous prime is 64431977. The next prime is 64432013. The reversal of 64432007 is 70023446.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64432007 - 2⁶ = 64431943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64432087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32216003 + 32216004.

It is an arithmetic number, because the mean of its divisors is an integer number (32216004).

Almost surely, 2^64432007 is an apocalyptic number.

64432007 is a deficient number, since it is larger than the sum of its proper divisors (1).

64432007 is an equidigital number, since it uses as much as digits as its factorization.

64432007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 64432007 is about 8026.9550266586. The cubic root of 64432007 is about 400.8979970778.

The spelling of 64432007 in words is "sixty-four million, four hundred thirty-two thousand, seven".