7072195091 has 8 divisors (see below), whose sum is σ = 7637790720. Its totient is φ = 6509682432.

The previous prime is 7072195073. The next prime is 7072195093. The reversal of 7072195091 is 1905912707.

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 7072195091 - 2¹⁰ = 7072194067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7072195093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765971 + ... + 775148.

It is an arithmetic number, because the mean of its divisors is an integer number (954723840).

Almost surely, 2^7072195091 is an apocalyptic number.

7072195091 is a deficient number, since it is larger than the sum of its proper divisors (565595629).

7072195091 is a wasteful number, since it uses less digits than its factorization.

7072195091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541485.

The product of its (nonzero) digits is 39690, while the sum is 41.

The square root of 7072195091 is about 84096.3441000856. The cubic root of 7072195091 is about 1919.4850951249.

The spelling of 7072195091 in words is "seven billion, seventy-two million, one hundred ninety-five thousand, ninety-one".