686472032 has 24 divisors (see below), whose sum is σ = 1355197536. Its totient is φ = 342294912.

The previous prime is 686472013. The next prime is 686472049. The reversal of 686472032 is 230274686.

686472032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 17483 + ... + 40970.

It is an arithmetic number, because the mean of its divisors is an integer number (56466564).

Almost surely, 2^686472032 is an apocalyptic number.

It is an amenable number.

686472032 is a deficient number, since it is larger than the sum of its proper divisors (668725504).

686472032 is a wasteful number, since it uses less digits than its factorization.

686472032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58830 (or 58822 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 686472032 is about 26200.6112905787. The cubic root of 686472032 is about 882.1469752995.

The spelling of 686472032 in words is "six hundred eighty-six million, four hundred seventy-two thousand, thirty-two".