2730330273 has 24 divisors (see below), whose sum is σ = 4041148608. Its totient is φ = 1638340000.

The previous prime is 2730330269. The next prime is 2730330287. The reversal of 2730330273 is 3720330372.

It is not a de Polignac number, because 2730330273 - 2² = 2730330269 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2730330273.

It is not an unprimeable number, because it can be changed into a prime (2730330223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 573 + ... + 73898.

It is an arithmetic number, because the mean of its divisors is an integer number (168381192).

Almost surely, 2^2730330273 is an apocalyptic number.

It is an amenable number.

2730330273 is a deficient number, since it is larger than the sum of its proper divisors (1310818335).

2730330273 is a wasteful number, since it uses less digits than its factorization.

2730330273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74597 (or 74586 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 30.

The square root of 2730330273 is about 52252.5623582232. The cubic root of 2730330273 is about 1397.6713453352.

Subtracting 2730330273 from its reverse (3720330372), we obtain a palindrome (990000099).

The spelling of 2730330273 in words is "two billion, seven hundred thirty million, three hundred thirty thousand, two hundred seventy-three".