764208241 has 2 divisors, whose sum is σ = 764208242. Its totient is φ = 764208240.

The previous prime is 764208233. The next prime is 764208257. The reversal of 764208241 is 142802467.

It is a happy number.

764208241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 681471025 + 82737216 = 26105^2 + 9096^2 .

It is a cyclic number.

It is not a de Polignac number, because 764208241 - 2³ = 764208233 is a prime.

It is a super-2 number, since 2×764208241² = 1168028471224628162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 764208197 and 764208206.

It is not a weakly prime, because it can be changed into another prime (764208271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382104120 + 382104121.

It is an arithmetic number, because the mean of its divisors is an integer number (382104121).

Almost surely, 2^764208241 is an apocalyptic number.

It is an amenable number.

764208241 is a deficient number, since it is larger than the sum of its proper divisors (1).

764208241 is an equidigital number, since it uses as much as digits as its factorization.

764208241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 764208241 is about 27644.3166130038. The cubic root of 764208241 is about 914.2617956250.

The spelling of 764208241 in words is "seven hundred sixty-four million, two hundred eight thousand, two hundred forty-one".