2731772320 has 24 divisors (see below), whose sum is σ = 6453812484. Its totient is φ = 1092708864.

The previous prime is 2731772311. The next prime is 2731772369. The reversal of 2731772320 is 232771372.

It can be written as a sum of positive squares in 2 ways, for example, as 2384173584 + 347598736 = 48828^2 + 18644^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8536629 + ... + 8536948.

Almost surely, 2^2731772320 is an apocalyptic number.

2731772320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2731772320 is an abundant number, since it is smaller than the sum of its proper divisors (3722040164).

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

2731772320 is a wasteful number, since it uses less digits than its factorization.

2731772320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17073592 (or 17073584 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 2731772320 is about 52266.3593528380. The cubic root of 2731772320 is about 1397.9173660039.

The spelling of 2731772320 in words is "two billion, seven hundred thirty-one million, seven hundred seventy-two thousand, three hundred twenty".