8720738308 has 12 divisors (see below), whose sum is σ = 15266361600. Its totient is φ = 4358920712.

The previous prime is 8720738293. The next prime is 8720738317. The reversal of 8720738308 is 8038370278.

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, 348508 + ... + 372691.

It is an arithmetic number, because the mean of its divisors is an integer number (1272196800).

Almost surely, 2^8720738308 is an apocalyptic number.

It is an amenable number.

8720738308 is a deficient number, since it is larger than the sum of its proper divisors (6545623292).

8720738308 is a wasteful number, since it uses less digits than its factorization.

8720738308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724226 (or 724224 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 8720738308 is about 93384.8933607572. The cubic root of 8720738308 is about 2058.3430220324.

The spelling of 8720738308 in words is "eight billion, seven hundred twenty million, seven hundred thirty-eight thousand, three hundred eight".