720683338 has 16 divisors (see below), whose sum is σ = 1138500000. Its totient is φ = 341202672.

The previous prime is 720683317. The next prime is 720683387. The reversal of 720683338 is 833386027.

It is a self number, because there is not a number n which added to its sum of digits gives 720683338.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101013 + ... + 107911.

It is an arithmetic number, because the mean of its divisors is an integer number (71156250).

Almost surely, 2^720683338 is an apocalyptic number.

720683338 is a deficient number, since it is larger than the sum of its proper divisors (417816662).

720683338 is a wasteful number, since it uses less digits than its factorization.

720683338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9669.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 720683338 is about 26845.5459620400. The cubic root of 720683338 is about 896.5644072626.

The spelling of 720683338 in words is "seven hundred twenty million, six hundred eighty-three thousand, three hundred thirty-eight".