6761272791 has 48 divisors (see below), whose sum is σ = 11368831488. Its totient is φ = 3542616000.

The previous prime is 6761272787. The next prime is 6761272853. The reversal of 6761272791 is 1972721676.

It is a happy number.

It is not a de Polignac number, because 6761272791 - 2² = 6761272787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6761272791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6761272741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 276846 + ... + 300276.

It is an arithmetic number, because the mean of its divisors is an integer number (236850656).

Almost surely, 2^6761272791 is an apocalyptic number.

6761272791 is a deficient number, since it is larger than the sum of its proper divisors (4607558697).

6761272791 is a wasteful number, since it uses less digits than its factorization.

6761272791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23612 (or 23605 counting only the distinct ones).

The product of its digits is 444528, while the sum is 48.

The square root of 6761272791 is about 82226.9590280463. The cubic root of 6761272791 is about 1890.9330509575.

The spelling of 6761272791 in words is "six billion, seven hundred sixty-one million, two hundred seventy-two thousand, seven hundred ninety-one".