7206868730 has 16 divisors (see below), whose sum is σ = 13038216840. Its totient is φ = 2868113472.

The previous prime is 7206868723. The next prime is 7206868733. The reversal of 7206868730 is 378686027.

It can be written as a sum of positive squares in 4 ways, for example, as 7091155681 + 115713049 = 84209^2 + 10757^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7206868733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1827185 + ... + 1831124.

Almost surely, 2^7206868730 is an apocalyptic number.

7206868730 is a deficient number, since it is larger than the sum of its proper divisors (5831348110).

7206868730 is a wasteful number, since it uses less digits than its factorization.

7206868730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658513.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 7206868730 is about 84893.2784736224. The cubic root of 7206868730 is about 1931.5926190412.

The spelling of 7206868730 in words is "seven billion, two hundred six million, eight hundred sixty-eight thousand, seven hundred thirty".