707690128 has 40 divisors (see below), whose sum is σ = 1433890368. Its totient is φ = 337721472.

The previous prime is 707690119. The next prime is 707690147. The reversal of 707690128 is 821096707.

707690128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 190626 + ... + 194302.

Almost surely, 2^707690128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 707690128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716945184).

707690128 is an abundant number, since it is smaller than the sum of its proper divisors (726200240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

707690128 is a wasteful number, since it uses less digits than its factorization.

707690128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231 (or 4225 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 707690128 is about 26602.4459025857. The cubic root of 707690128 is about 891.1436411106.

The spelling of 707690128 in words is "seven hundred seven million, six hundred ninety thousand, one hundred twenty-eight".