689030072 has 16 divisors (see below), whose sum is σ = 1298628240. Its totient is φ = 342729216.

The previous prime is 689030059. The next prime is 689030081. The reversal of 689030072 is 270030986.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221588 + ... + 224675.

It is an arithmetic number, because the mean of its divisors is an integer number (81164265).

Almost surely, 2^689030072 is an apocalyptic number.

It is an amenable number.

689030072 is a deficient number, since it is larger than the sum of its proper divisors (609598168).

689030072 is a wasteful number, since it uses less digits than its factorization.

689030072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446462 (or 446458 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 689030072 is about 26249.3823165422. The cubic root of 689030072 is about 883.2413486590.

The spelling of 689030072 in words is "six hundred eighty-nine million, thirty thousand, seventy-two".