2667297772 has 6 divisors (see below), whose sum is σ = 4667771108. Its totient is φ = 1333648884.

The previous prime is 2667297761. The next prime is 2667297779. The reversal of 2667297772 is 2777927662.

It is a super-2 number, since 2×2667297772² = 14228954809032327968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2667297779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333412218 + ... + 333412225.

Almost surely, 2^2667297772 is an apocalyptic number.

It is an amenable number.

2667297772 is a deficient number, since it is larger than the sum of its proper divisors (2000473336).

2667297772 is a wasteful number, since it uses less digits than its factorization.

2667297772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666824447 (or 666824445 counting only the distinct ones).

The product of its digits is 6223392, while the sum is 55.

The square root of 2667297772 is about 51645.8882390457. Note that the first 3 decimals coincide. The cubic root of 2667297772 is about 1386.8319360719.

The spelling of 2667297772 in words is "two billion, six hundred sixty-seven million, two hundred ninety-seven thousand, seven hundred seventy-two".