706831880 has 16 divisors (see below), whose sum is σ = 1590371820. Its totient is φ = 282732736.

The previous prime is 706831861. The next prime is 706831897. The reversal of 706831880 is 88138607.

It can be written as a sum of positive squares in 2 ways, for example, as 697699396 + 9132484 = 26414^2 + 3022^2 .

It is a super-2 number, since 2×706831880² = 999222613168668800, which contains 22 as substring.

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, 8835359 + ... + 8835438.

Almost surely, 2^706831880 is an apocalyptic number.

It is an amenable number.

706831880 is an abundant number, since it is smaller than the sum of its proper divisors (883539940).

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

706831880 is a wasteful number, since it uses less digits than its factorization.

706831880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17670808 (or 17670804 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 706831880 is about 26586.3100109812. The cubic root of 706831880 is about 890.7832519120.

The spelling of 706831880 in words is "seven hundred six million, eight hundred thirty-one thousand, eight hundred eighty".