2731373720 has 32 divisors (see below), whose sum is σ = 6148271520. Its totient is φ = 1092072960.

The previous prime is 2731373719. The next prime is 2731373773. The reversal of 2731373720 is 273731372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86480 + ... + 113760.

It is an arithmetic number, because the mean of its divisors is an integer number (192133485).

Almost surely, 2^2731373720 is an apocalyptic number.

2731373720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2731373720 is an abundant number, since it is smaller than the sum of its proper divisors (3416897800).

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

2731373720 is a wasteful number, since it uses less digits than its factorization.

2731373720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29795 (or 29791 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 35.

The square root of 2731373720 is about 52262.5460535554. The cubic root of 2731373720 is about 1397.8493714445.

The spelling of 2731373720 in words is "two billion, seven hundred thirty-one million, three hundred seventy-three thousand, seven hundred twenty".