6972772009 has 16 divisors (see below), whose sum is σ = 8003200000. Its totient is φ = 5950984464.

The previous prime is 6972772007. The next prime is 6972772021. The reversal of 6972772009 is 9002772796.

It is a cyclic number.

It is not a de Polignac number, because 6972772009 - 2¹ = 6972772007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6972772007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1699042 + ... + 1703140.

It is an arithmetic number, because the mean of its divisors is an integer number (500200000).

Almost surely, 2^6972772009 is an apocalyptic number.

It is an amenable number.

6972772009 is a deficient number, since it is larger than the sum of its proper divisors (1030427991).

6972772009 is a wasteful number, since it uses less digits than its factorization.

6972772009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092.

The product of its (nonzero) digits is 666792, while the sum is 49.

The square root of 6972772009 is about 83503.1257438906. The cubic root of 6972772009 is about 1910.4477088869.

The spelling of 6972772009 in words is "six billion, nine hundred seventy-two million, seven hundred seventy-two thousand, nine".