64269937 has 2 divisors, whose sum is σ = 64269938. Its totient is φ = 64269936.

The previous prime is 64269929. The next prime is 64269949. The reversal of 64269937 is 73996246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62742241 + 1527696 = 7921^2 + 1236^2 .

It is a cyclic number.

It is not a de Polignac number, because 64269937 - 2³ = 64269929 is a prime.

It is not a weakly prime, because it can be changed into another prime (64269977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32134968 + 32134969.

It is an arithmetic number, because the mean of its divisors is an integer number (32134969).

Almost surely, 2^64269937 is an apocalyptic number.

It is an amenable number.

64269937 is a deficient number, since it is larger than the sum of its proper divisors (1).

64269937 is an equidigital number, since it uses as much as digits as its factorization.

64269937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 46.

The square root of 64269937 is about 8016.8533103706. The cubic root of 64269937 is about 400.5615799509.

The spelling of 64269937 in words is "sixty-four million, two hundred sixty-nine thousand, nine hundred thirty-seven".