64760737 has 2 divisors, whose sum is σ = 64760738. Its totient is φ = 64760736.

The previous prime is 64760699. The next prime is 64760743. The reversal of 64760737 is 73706746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59043856 + 5716881 = 7684^2 + 2391^2 .

It is a cyclic number.

It is not a de Polignac number, because 64760737 - 2⁷ = 64760609 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64760737.

It is not a weakly prime, because it can be changed into another prime (64760777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32380368 + 32380369.

It is an arithmetic number, because the mean of its divisors is an integer number (32380369).

Almost surely, 2^64760737 is an apocalyptic number.

It is an amenable number.

64760737 is a deficient number, since it is larger than the sum of its proper divisors (1).

64760737 is an equidigital number, since it uses as much as digits as its factorization.

64760737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 64760737 is about 8047.4056067779. The cubic root of 64760737 is about 401.5786303694.

The spelling of 64760737 in words is "sixty-four million, seven hundred sixty thousand, seven hundred thirty-seven".