64372037 has 2 divisors, whose sum is σ = 64372038. Its totient is φ = 64372036.

The previous prime is 64372031. The next prime is 64372039. The reversal of 64372037 is 73027346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47348161 + 17023876 = 6881^2 + 4126^2 .

It is a cyclic number.

It is not a de Polignac number, because 64372037 - 2⁸ = 64371781 is a prime.

Together with 64372039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 64371994 and 64372012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64372031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32186018 + 32186019.

It is an arithmetic number, because the mean of its divisors is an integer number (32186019).

Almost surely, 2^64372037 is an apocalyptic number.

It is an amenable number.

64372037 is a deficient number, since it is larger than the sum of its proper divisors (1).

64372037 is an equidigital number, since it uses as much as digits as its factorization.

64372037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 64372037 is about 8023.2186184847. The cubic root of 64372037 is about 400.7735800536.

The spelling of 64372037 in words is "sixty-four million, three hundred seventy-two thousand, thirty-seven".