64994759 has 2 divisors, whose sum is σ = 64994760. Its totient is φ = 64994758.

The previous prime is 64994737. The next prime is 64994773. The reversal of 64994759 is 95749946.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64994759 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 64994759.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64994729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32497379 + 32497380.

It is an arithmetic number, because the mean of its divisors is an integer number (32497380).

Almost surely, 2^64994759 is an apocalyptic number.

64994759 is a deficient number, since it is larger than the sum of its proper divisors (1).

64994759 is an equidigital number, since it uses as much as digits as its factorization.

64994759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 53.

The square root of 64994759 is about 8061.9327087244. The cubic root of 64994759 is about 402.0617690948.

The spelling of 64994759 in words is "sixty-four million, nine hundred ninety-four thousand, seven hundred fifty-nine".