64796761 has 2 divisors, whose sum is σ = 64796762. Its totient is φ = 64796760.

The previous prime is 64796749. The next prime is 64796791. The reversal of 64796761 is 16769746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61716736 + 3080025 = 7856^2 + 1755^2 .

It is a cyclic number.

It is not a de Polignac number, because 64796761 - 2⁵ = 64796729 is a prime.

It is a super-2 number, since 2×64796761² = 8397240472182242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64796791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32398380 + 32398381.

It is an arithmetic number, because the mean of its divisors is an integer number (32398381).

Almost surely, 2^64796761 is an apocalyptic number.

It is an amenable number.

64796761 is a deficient number, since it is larger than the sum of its proper divisors (1).

64796761 is an equidigital number, since it uses as much as digits as its factorization.

64796761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 46.

The square root of 64796761 is about 8049.6435324802. The cubic root of 64796761 is about 401.6530776744.

The spelling of 64796761 in words is "sixty-four million, seven hundred ninety-six thousand, seven hundred sixty-one".