707106728 has 16 divisors (see below), whose sum is σ = 1354034880. Its totient is φ = 346030768.

The previous prime is 707106709. The next prime is 707106737. The reversal of 707106728 is 827601707.

It is a junction number, because it is equal to n+sod(n) for n = 707106691 and 707106700.

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, 939926 + ... + 940677.

It is an arithmetic number, because the mean of its divisors is an integer number (84627180).

Almost surely, 2^707106728 is an apocalyptic number.

It is an amenable number.

707106728 is a deficient number, since it is larger than the sum of its proper divisors (646928152).

707106728 is a wasteful number, since it uses less digits than its factorization.

707106728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880656 (or 1880652 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 707106728 is about 26591.4784846574. The cubic root of 707106728 is about 890.8986958034.

The spelling of 707106728 in words is "seven hundred seven million, one hundred six thousand, seven hundred twenty-eight".