764626001 has 2 divisors, whose sum is σ = 764626002. Its totient is φ = 764626000.

The previous prime is 764625997. The next prime is 764626003. The reversal of 764626001 is 100626467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 641304976 + 123321025 = 25324^2 + 11105^2 .

It is a cyclic number.

It is not a de Polignac number, because 764626001 - 2² = 764625997 is a prime.

It is a Sophie Germain prime.

Together with 764626003, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (764626003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382313000 + 382313001.

It is an arithmetic number, because the mean of its divisors is an integer number (382313001).

Almost surely, 2^764626001 is an apocalyptic number.

It is an amenable number.

764626001 is a deficient number, since it is larger than the sum of its proper divisors (1).

764626001 is an equidigital number, since it uses as much as digits as its factorization.

764626001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 764626001 is about 27651.8715641455. The cubic root of 764626001 is about 914.4283612333.

The spelling of 764626001 in words is "seven hundred sixty-four million, six hundred twenty-six thousand, one".