764140306 has 8 divisors (see below), whose sum is σ = 1146435120. Its totient is φ = 381995268.

The previous prime is 764140301. The next prime is 764140313. The reversal of 764140306 is 603041467.

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

It is not an unprimeable number, because it can be changed into a prime (764140301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23676 + ... + 45703.

It is an arithmetic number, because the mean of its divisors is an integer number (143304390).

Almost surely, 2^764140306 is an apocalyptic number.

764140306 is a deficient number, since it is larger than the sum of its proper divisors (382294814).

764140306 is a wasteful number, since it uses less digits than its factorization.

764140306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74888.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 764140306 is about 27643.0878521196. The cubic root of 764140306 is about 914.2347034389.

The spelling of 764140306 in words is "seven hundred sixty-four million, one hundred forty thousand, three hundred six".