764323045 has 4 divisors (see below), whose sum is σ = 917187660. Its totient is φ = 611458432.

The previous prime is 764322997. The next prime is 764323093. The reversal of 764323045 is 540323467.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (764322997) and next prime (764323093).

It can be written as a sum of positive squares in 2 ways, for example, as 334963204 + 429359841 = 18302^2 + 20721^2 .

It is a cyclic number.

It is not a de Polignac number, because 764323045 - 2¹⁵ = 764290277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 764323045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76432300 + ... + 76432309.

It is an arithmetic number, because the mean of its divisors is an integer number (229296915).

Almost surely, 2^764323045 is an apocalyptic number.

It is an amenable number.

764323045 is a deficient number, since it is larger than the sum of its proper divisors (152864615).

764323045 is a wasteful number, since it uses less digits than its factorization.

764323045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152864614.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 764323045 is about 27646.3929835340. The cubic root of 764323045 is about 914.3075753178.

The spelling of 764323045 in words is "seven hundred sixty-four million, three hundred twenty-three thousand, forty-five".