764266642 has 8 divisors (see below), whose sum is σ = 1147136256. Its totient is φ = 381887892.

The previous prime is 764266627. The next prime is 764266669. The reversal of 764266642 is 246662467.

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

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, 118798 + ... + 125065.

It is an arithmetic number, because the mean of its divisors is an integer number (143392032).

Almost surely, 2^764266642 is an apocalyptic number.

764266642 is a deficient number, since it is larger than the sum of its proper divisors (382869614).

764266642 is a wasteful number, since it uses less digits than its factorization.

764266642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245432.

The product of its digits is 580608, while the sum is 43.

The square root of 764266642 is about 27645.3728858918. The cubic root of 764266642 is about 914.2850844094.

The spelling of 764266642 in words is "seven hundred sixty-four million, two hundred sixty-six thousand, six hundred forty-two".