708218648 has 16 divisors (see below), whose sum is σ = 1352965680. Its totient is φ = 347427808.

The previous prime is 708218633. The next prime is 708218669. The reversal of 708218648 is 846812807.

It is a junction number, because it is equal to n+sod(n) for n = 708218599 and 708218608.

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, 834740 + ... + 835587.

It is an arithmetic number, because the mean of its divisors is an integer number (84560355).

Almost surely, 2^708218648 is an apocalyptic number.

It is an amenable number.

708218648 is a deficient number, since it is larger than the sum of its proper divisors (644747032).

708218648 is a wasteful number, since it uses less digits than its factorization.

708218648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670386 (or 1670382 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 708218648 is about 26612.3777216543. The cubic root of 708218648 is about 891.3654284057.

The spelling of 708218648 in words is "seven hundred eight million, two hundred eighteen thousand, six hundred forty-eight".