64324837 has 2 divisors, whose sum is σ = 64324838. Its totient is φ = 64324836.

The previous prime is 64324829. The next prime is 64324847. The reversal of 64324837 is 73842346.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63138916 + 1185921 = 7946^2 + 1089^2 .

It is a cyclic number.

It is not a de Polignac number, because 64324837 - 2³ = 64324829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64324796 and 64324805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64324807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32162418 + 32162419.

It is an arithmetic number, because the mean of its divisors is an integer number (32162419).

Almost surely, 2^64324837 is an apocalyptic number.

It is an amenable number.

64324837 is a deficient number, since it is larger than the sum of its proper divisors (1).

64324837 is an equidigital number, since it uses as much as digits as its factorization.

64324837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 37.

The square root of 64324837 is about 8020.2766161773. The cubic root of 64324837 is about 400.6756020124.

The spelling of 64324837 in words is "sixty-four million, three hundred twenty-four thousand, eight hundred thirty-seven".