6730273381 has 4 divisors (see below), whose sum is σ = 7247986732. Its totient is φ = 6212560032.

The previous prime is 6730273379. The next prime is 6730273427. The reversal of 6730273381 is 1833720376.

It is a happy number.

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 4479624900 + 2250648481 = 66930^2 + 47441^2 .

It is a cyclic number.

It is not a de Polignac number, because 6730273381 - 2¹ = 6730273379 is a prime.

It is a super-2 number, since 2×6730273381² = 90593159565994342322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6730273301) 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, 258856656 + ... + 258856681.

It is an arithmetic number, because the mean of its divisors is an integer number (1811996683).

Almost surely, 2^6730273381 is an apocalyptic number.

It is an amenable number.

6730273381 is a deficient number, since it is larger than the sum of its proper divisors (517713351).

6730273381 is a wasteful number, since it uses less digits than its factorization.

6730273381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517713350.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 6730273381 is about 82038.2434051339. The cubic root of 6730273381 is about 1888.0387427301.

The spelling of 6730273381 in words is "six billion, seven hundred thirty million, two hundred seventy-three thousand, three hundred eighty-one".