2731492073 has 4 divisors (see below), whose sum is σ = 2731892100. Its totient is φ = 2731092048.

The previous prime is 2731492063. The next prime is 2731492081. The reversal of 2731492073 is 3702941372.

2731492073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1351518169 + 1379973904 = 36763^2 + 37148^2 .

It is a cyclic number.

It is not a de Polignac number, because 2731492073 - 2²⁰ = 2730443497 is a prime.

It is a super-2 number, since 2×2731492073² = 14922097889723674658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2731492063) 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, 189590 + ... + 203487.

It is an arithmetic number, because the mean of its divisors is an integer number (682973025).

Almost surely, 2^2731492073 is an apocalyptic number.

It is an amenable number.

2731492073 is a deficient number, since it is larger than the sum of its proper divisors (400027).

2731492073 is an equidigital number, since it uses as much as digits as its factorization.

2731492073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400026.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 2731492073 is about 52263.6783340017. The cubic root of 2731492073 is about 1397.8695611969.

The spelling of 2731492073 in words is "two billion, seven hundred thirty-one million, four hundred ninety-two thousand, seventy-three".