7206660715 has 8 divisors (see below), whose sum is σ = 8648539200. Its totient is φ = 5764964352.

The previous prime is 7206660707. The next prime is 7206660749. The reversal of 7206660715 is 5170666027.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7206660715 - 2³ = 7206660707 is a prime.

It is a super-2 number, since 2×7206660715² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66667 + ... + 137323.

It is an arithmetic number, because the mean of its divisors is an integer number (1081067400).

Almost surely, 2^7206660715 is an apocalyptic number.

7206660715 is a deficient number, since it is larger than the sum of its proper divisors (1441878485).

7206660715 is a wasteful number, since it uses less digits than its factorization.

7206660715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91061.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 7206660715 is about 84892.0533088934. The cubic root of 7206660715 is about 1931.5740347286.

The spelling of 7206660715 in words is "seven billion, two hundred six million, six hundred sixty thousand, seven hundred fifteen".