760664621 has 2 divisors, whose sum is σ = 760664622. Its totient is φ = 760664620.

The previous prime is 760664603. The next prime is 760664623. The reversal of 760664621 is 126466067.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 759829225 + 835396 = 27565^2 + 914^2 .

It is a cyclic number.

It is not a de Polignac number, because 760664621 - 2⁶ = 760664557 is a prime.

It is a super-2 number, since 2×760664621² = 1157221331282147282, which contains 22 as substring.

Together with 760664623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (760664623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380332310 + 380332311.

It is an arithmetic number, because the mean of its divisors is an integer number (380332311).

Almost surely, 2^760664621 is an apocalyptic number.

It is an amenable number.

760664621 is a deficient number, since it is larger than the sum of its proper divisors (1).

760664621 is an equidigital number, since it uses as much as digits as its factorization.

760664621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 760664621 is about 27580.1490387561. The cubic root of 760664621 is about 912.8464671947.

It can be divided in two parts, 7606 and 64621, that added together give a palindrome (72227).

The spelling of 760664621 in words is "seven hundred sixty million, six hundred sixty-four thousand, six hundred twenty-one".