7012722565 has 8 divisors (see below), whose sum is σ = 8553222648. Its totient is φ = 5518207680.

The previous prime is 7012722557. The next prime is 7012722569. The reversal of 7012722565 is 5652272107.

It is a Cunningham number, because it is equal to 83742²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 7012722564 = 1^2 + 83742^2 .

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

It is not a de Polignac number, because 7012722565 - 2³ = 7012722557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7012722569) by changing a digit.

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, 11495962 + ... + 11496571.

It is an arithmetic number, because the mean of its divisors is an integer number (1069152831).

Almost surely, 2^7012722565 is an apocalyptic number.

It is an amenable number.

7012722565 is a deficient number, since it is larger than the sum of its proper divisors (1540500083).

7012722565 is a wasteful number, since it uses less digits than its factorization.

7012722565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22992599.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 7012722565 is about 83742.0000059707. Note that the first 5 decimals coincide. The cubic root of 7012722565 is about 1914.0894047583.

The spelling of 7012722565 in words is "seven billion, twelve million, seven hundred twenty-two thousand, five hundred sixty-five".