6999272772 has 24 divisors (see below), whose sum is σ = 16369540992. Its totient is φ = 2327676000.

The previous prime is 6999272741. The next prime is 6999272773. The reversal of 6999272772 is 2772729996.

It is not an unprimeable number, because it can be changed into a prime (6999272773) 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, 671479 + ... + 681822.

It is an arithmetic number, because the mean of its divisors is an integer number (682064208).

Almost surely, 2^6999272772 is an apocalyptic number.

It is an amenable number.

6999272772 is an abundant number, since it is smaller than the sum of its proper divisors (9370268220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6999272772 is a wasteful number, since it uses less digits than its factorization.

6999272772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353739 (or 1353737 counting only the distinct ones).

The product of its digits is 12002256, while the sum is 60.

The square root of 6999272772 is about 83661.6565219695. The cubic root of 6999272772 is about 1912.8649358535.

The spelling of 6999272772 in words is "six billion, nine hundred ninety-nine million, two hundred seventy-two thousand, seven hundred seventy-two".