764399974 has 8 divisors (see below), whose sum is σ = 1234800000. Its totient is φ = 352799976.

The previous prime is 764399969. The next prime is 764400011. The reversal of 764399974 is 479993467.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14699974 + ... + 14700025.

It is an arithmetic number, because the mean of its divisors is an integer number (154350000).

Almost surely, 2^764399974 is an apocalyptic number.

764399974 is a deficient number, since it is larger than the sum of its proper divisors (470400026).

764399974 is a wasteful number, since it uses less digits than its factorization.

764399974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29400014.

The product of its digits is 10287648, while the sum is 58.

The square root of 764399974 is about 27647.7842511837. The cubic root of 764399974 is about 914.3382492622.

The spelling of 764399974 in words is "seven hundred sixty-four million, three hundred ninety-nine thousand, nine hundred seventy-four".