10731720 has 32 divisors (see below), whose sum is σ = 32195520. Its totient is φ = 2861760.

The previous prime is 10731703. The next prime is 10731727. The reversal of 10731720 is 2713701.

It is not an unprimeable number, because it can be changed into a prime (10731727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44596 + ... + 44835.

It is an arithmetic number, because the mean of its divisors is an integer number (1006110).

Almost surely, 2^10731720 is an apocalyptic number.

10731720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10731720 is an abundant number, since it is smaller than the sum of its proper divisors (21463800).

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

10731720 is a wasteful number, since it uses less digits than its factorization.

10731720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89445 (or 89441 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 10731720 is about 3275.9304021911. The cubic root of 10731720 is about 220.5750794559.

The spelling of 10731720 in words is "ten million, seven hundred thirty-one thousand, seven hundred twenty".