10685720 has 16 divisors (see below), whose sum is σ = 24042960. Its totient is φ = 4274272.

The previous prime is 10685693. The next prime is 10685723. The reversal of 10685720 is 2758601.

It is a super-2 number, since 2×10685720² = 228369223836800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10685723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133532 + ... + 133611.

It is an arithmetic number, because the mean of its divisors is an integer number (1502685).

Almost surely, 2^10685720 is an apocalyptic number.

10685720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10685720 is an abundant number, since it is smaller than the sum of its proper divisors (13357240).

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

10685720 is a wasteful number, since it uses less digits than its factorization.

10685720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267154 (or 267150 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 10685720 is about 3268.9019563150. The cubic root of 10685720 is about 220.2594734646.

The spelling of 10685720 in words is "ten million, six hundred eighty-five thousand, seven hundred twenty".