64044037 has 2 divisors, whose sum is σ = 64044038. Its totient is φ = 64044036.

The previous prime is 64044017. The next prime is 64044053. The reversal of 64044037 is 73044046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53714241 + 10329796 = 7329^2 + 3214^2 .

It is a cyclic number.

It is not a de Polignac number, because 64044037 - 2¹⁹ = 63519749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64043996 and 64044014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64044017) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32022018 + 32022019.

It is an arithmetic number, because the mean of its divisors is an integer number (32022019).

Almost surely, 2^64044037 is an apocalyptic number.

It is an amenable number.

64044037 is a deficient number, since it is larger than the sum of its proper divisors (1).

64044037 is an equidigital number, since it uses as much as digits as its factorization.

64044037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 64044037 is about 8002.7518392113. The cubic root of 64044037 is about 400.0917227158.

Subtracting 64044037 from its reverse (73044046), we obtain a palindrome (9000009).

The spelling of 64044037 in words is "sixty-four million, forty-four thousand, thirty-seven".