7072217897 has 16 divisors (see below), whose sum is σ = 7259609280. Its totient is φ = 6887529792.

The previous prime is 7072217861. The next prime is 7072217899. The reversal of 7072217897 is 7987122707.

It is a cyclic number.

It is not a de Polignac number, because 7072217897 - 2¹⁰ = 7072216873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7072217899) 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 15 ways as a sum of consecutive naturals, for example, 4768118 + ... + 4769600.

It is an arithmetic number, because the mean of its divisors is an integer number (453725580).

Almost surely, 2^7072217897 is an apocalyptic number.

It is an amenable number.

7072217897 is a deficient number, since it is larger than the sum of its proper divisors (187391383).

7072217897 is a wasteful number, since it uses less digits than its factorization.

7072217897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312.

The product of its (nonzero) digits is 691488, while the sum is 50.

The square root of 7072217897 is about 84096.4796944557. The cubic root of 7072217897 is about 1919.4871584036.

The spelling of 7072217897 in words is "seven billion, seventy-two million, two hundred seventeen thousand, eight hundred ninety-seven".