689820272 has 20 divisors (see below), whose sum is σ = 1337867496. Its totient is φ = 344564160.

The previous prime is 689820259. The next prime is 689820283. The reversal of 689820272 is 272028986.

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, 4778 + ... + 37449.

Almost surely, 2^689820272 is an apocalyptic number.

It is an amenable number.

689820272 is a deficient number, since it is larger than the sum of its proper divisors (648047224).

689820272 is a wasteful number, since it uses less digits than its factorization.

689820272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43256 (or 43250 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 689820272 is about 26264.4297863098. The cubic root of 689820272 is about 883.5788620744.

The spelling of 689820272 in words is "six hundred eighty-nine million, eight hundred twenty thousand, two hundred seventy-two".