320697734 has 8 divisors (see below), whose sum is σ = 549767568. Its totient is φ = 137441880.

The previous prime is 320697721. The next prime is 320697743. The reversal of 320697734 is 437796023.

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

It is a junction number, because it is equal to n+sod(n) for n = 320697691 and 320697700.

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, 11453477 + ... + 11453504.

It is an arithmetic number, because the mean of its divisors is an integer number (68720946).

Almost surely, 2^320697734 is an apocalyptic number.

320697734 is a deficient number, since it is larger than the sum of its proper divisors (229069834).

320697734 is a wasteful number, since it uses less digits than its factorization.

320697734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22906990.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 320697734 is about 17908.0354589776. The cubic root of 320697734 is about 684.4871462738.

The spelling of 320697734 in words is "three hundred twenty million, six hundred ninety-seven thousand, seven hundred thirty-four".