764845033 has 2 divisors, whose sum is σ = 764845034. Its totient is φ = 764845032.

The previous prime is 764845031. The next prime is 764845061. The reversal of 764845033 is 330548467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 516561984 + 248283049 = 22728^2 + 15757^2 .

It is a cyclic number.

It is not a de Polignac number, because 764845033 - 2¹ = 764845031 is a prime.

Together with 764845031, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (764845031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382422516 + 382422517.

It is an arithmetic number, because the mean of its divisors is an integer number (382422517).

Almost surely, 2^764845033 is an apocalyptic number.

It is an amenable number.

764845033 is a deficient number, since it is larger than the sum of its proper divisors (1).

764845033 is an equidigital number, since it uses as much as digits as its factorization.

764845033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 764845033 is about 27655.8318081377. The cubic root of 764845033 is about 914.5156675116.

The spelling of 764845033 in words is "seven hundred sixty-four million, eight hundred forty-five thousand, thirty-three".