764423345 has 8 divisors (see below), whose sum is σ = 1048352064. Its totient is φ = 524175984.

The previous prime is 764423339. The next prime is 764423347. The reversal of 764423345 is 543324467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 764423345 - 2⁴ = 764423329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 764423299 and 764423308.

It is not an unprimeable number, because it can be changed into a prime (764423347) 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 in 7 ways as a sum of consecutive naturals, for example, 10920299 + ... + 10920368.

It is an arithmetic number, because the mean of its divisors is an integer number (131044008).

Almost surely, 2^764423345 is an apocalyptic number.

It is an amenable number.

764423345 is a deficient number, since it is larger than the sum of its proper divisors (283928719).

764423345 is a wasteful number, since it uses less digits than its factorization.

764423345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21840679.

The product of its digits is 241920, while the sum is 38.

The square root of 764423345 is about 27648.2069038844. The cubic root of 764423345 is about 914.3475675869.

The spelling of 764423345 in words is "seven hundred sixty-four million, four hundred twenty-three thousand, three hundred forty-five".