2772121372 has 12 divisors (see below), whose sum is σ = 4933436760. Its totient is φ = 1362568016.

The previous prime is 2772121333. The next prime is 2772121403. The reversal of 2772121372 is 2731212772.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5872903 + ... + 5873374.

It is an arithmetic number, because the mean of its divisors is an integer number (411119730).

Almost surely, 2^2772121372 is an apocalyptic number.

It is an amenable number.

2772121372 is a deficient number, since it is larger than the sum of its proper divisors (2161315388).

2772121372 is a wasteful number, since it uses less digits than its factorization.

2772121372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11746340 (or 11746338 counting only the distinct ones).

The product of its digits is 16464, while the sum is 34.

The square root of 2772121372 is about 52650.9389469931. The cubic root of 2772121372 is about 1404.7663009688.

The spelling of 2772121372 in words is "two billion, seven hundred seventy-two million, one hundred twenty-one thousand, three hundred seventy-two".