6730186731 has 16 divisors (see below), whose sum is σ = 9014886144. Its totient is φ = 4466172384.

The previous prime is 6730186691. The next prime is 6730186739. The reversal of 6730186731 is 1376810376.

It is not a de Polignac number, because 6730186731 - 2¹¹ = 6730184683 is a prime.

It is a super-2 number, since 2×6730186731² = 90590826868256932722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6730186739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982986 + ... + 989808.

It is an arithmetic number, because the mean of its divisors is an integer number (563430384).

Almost surely, 2^6730186731 is an apocalyptic number.

6730186731 is a deficient number, since it is larger than the sum of its proper divisors (2284699413).

6730186731 is a wasteful number, since it uses less digits than its factorization.

6730186731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8290.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 6730186731 is about 82037.7152960759. The cubic root of 6730186731 is about 1888.0306400746.

The spelling of 6730186731 in words is "six billion, seven hundred thirty million, one hundred eighty-six thousand, seven hundred thirty-one".