7027640266 has 8 divisors (see below), whose sum is σ = 10547479044. Its totient is φ = 3511813920.

The previous prime is 7027640239. The next prime is 7027640287. The reversal of 7027640266 is 6620467207.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6948056025 + 79584241 = 83355^2 + 8921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998725 + ... + 1005736.

Almost surely, 2^7027640266 is an apocalyptic number.

7027640266 is a deficient number, since it is larger than the sum of its proper divisors (3519838778).

7027640266 is a wasteful number, since it uses less digits than its factorization.

7027640266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006216.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 7027640266 is about 83831.0220980276. The cubic root of 7027640266 is about 1915.4456821136.

The spelling of 7027640266 in words is "seven billion, twenty-seven million, six hundred forty thousand, two hundred sixty-six".