764744401 has 2 divisors, whose sum is σ = 764744402. Its totient is φ = 764744400.

The previous prime is 764744377. The next prime is 764744429. The reversal of 764744401 is 104447467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 712890000 + 51854401 = 26700^2 + 7201^2 .

It is a cyclic number.

It is not a de Polignac number, because 764744401 - 2²⁵ = 731189969 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (764744441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382372200 + 382372201.

It is an arithmetic number, because the mean of its divisors is an integer number (382372201).

Almost surely, 2^764744401 is an apocalyptic number.

It is an amenable number.

764744401 is a deficient number, since it is larger than the sum of its proper divisors (1).

764744401 is an equidigital number, since it uses as much as digits as its factorization.

764744401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 764744401 is about 27654.0123851856. The cubic root of 764744401 is about 914.4755576099.

The spelling of 764744401 in words is "seven hundred sixty-four million, seven hundred forty-four thousand, four hundred one".