6861273340 has 24 divisors (see below), whose sum is σ = 14798099232. Its totient is φ = 2670333120.

The previous prime is 6861273283. The next prime is 6861273343. The reversal of 6861273340 is 433721686.

It is a junction number, because it is equal to n+sod(n) for n = 6861273293 and 6861273302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6861273343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4635256 + ... + 4636735.

It is an arithmetic number, because the mean of its divisors is an integer number (616587468).

Almost surely, 2^6861273340 is an apocalyptic number.

It is an amenable number.

6861273340 is an abundant number, since it is smaller than the sum of its proper divisors (7936825892).

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

6861273340 is a wasteful number, since it uses less digits than its factorization.

6861273340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9272037 (or 9272035 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 6861273340 is about 82832.8035261393. The cubic root of 6861273340 is about 1900.2098881707.

The spelling of 6861273340 in words is "six billion, eight hundred sixty-one million, two hundred seventy-three thousand, three hundred forty".