706791632 has 20 divisors (see below), whose sum is σ = 1378604100. Its totient is φ = 351022848.

The previous prime is 706791629. The next prime is 706791667. The reversal of 706791632 is 236197607.

It can be written as a sum of positive squares in 2 ways, for example, as 302620816 + 404170816 = 17396^2 + 20104^2 .

It is a super-2 number, since 2×706791632² = 999108822130446848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 706791632.

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, 145853 + ... + 150620.

It is an arithmetic number, because the mean of its divisors is an integer number (68930205).

Almost surely, 2^706791632 is an apocalyptic number.

It is an amenable number.

706791632 is a deficient number, since it is larger than the sum of its proper divisors (671812468).

706791632 is a wasteful number, since it uses less digits than its factorization.

706791632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296630 (or 296624 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 706791632 is about 26585.5530692893. The cubic root of 706791632 is about 890.7663441079.

The spelling of 706791632 in words is "seven hundred six million, seven hundred ninety-one thousand, six hundred thirty-two".