64770763 has 2 divisors, whose sum is σ = 64770764. Its totient is φ = 64770762.

The previous prime is 64770751. The next prime is 64770767. The reversal of 64770763 is 36707746.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64770763 is a prime.

It is not a weakly prime, because it can be changed into another prime (64770767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32385381 + 32385382.

It is an arithmetic number, because the mean of its divisors is an integer number (32385382).

Almost surely, 2^64770763 is an apocalyptic number.

64770763 is a deficient number, since it is larger than the sum of its proper divisors (1).

64770763 is an equidigital number, since it uses as much as digits as its factorization.

64770763 is an odious number, because the sum of its binary digits is odd.

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

The square root of 64770763 is about 8048.0285163511. The cubic root of 64770763 is about 401.5993529027.

The spelling of 64770763 in words is "sixty-four million, seven hundred seventy thousand, seven hundred sixty-three".