7210052665 has 16 divisors (see below), whose sum is σ = 9213980688. Its totient is φ = 5397354496.

The previous prime is 7210052659. The next prime is 7210052677. The reversal of 7210052665 is 5662500127.

It can be written as a sum of positive squares in 8 ways, for example, as 2009190976 + 5200861689 = 44824^2 + 72117^2 .

It is a cyclic number.

It is not a de Polignac number, because 7210052665 - 2⁷ = 7210052537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7210052665.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230452 + ... + 259861.

It is an arithmetic number, because the mean of its divisors is an integer number (575873793).

Almost surely, 2^7210052665 is an apocalyptic number.

It is an amenable number.

7210052665 is a deficient number, since it is larger than the sum of its proper divisors (2003928023).

7210052665 is a wasteful number, since it uses less digits than its factorization.

7210052665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490508.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 7210052665 is about 84912.0289770537. The cubic root of 7210052665 is about 1931.8770310429.

The spelling of 7210052665 in words is "seven billion, two hundred ten million, fifty-two thousand, six hundred sixty-five".