2792720636 has 12 divisors (see below), whose sum is σ = 4991245728. Its totient is φ = 1366650432.

The previous prime is 2792720551. The next prime is 2792720647. The reversal of 2792720636 is 6360272972.

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, 7427261 + ... + 7427636.

It is an arithmetic number, because the mean of its divisors is an integer number (415937144).

Almost surely, 2^2792720636 is an apocalyptic number.

It is an amenable number.

2792720636 is a deficient number, since it is larger than the sum of its proper divisors (2198525092).

2792720636 is a wasteful number, since it uses less digits than its factorization.

2792720636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14854948 (or 14854946 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 2792720636 is about 52846.1979332478. The cubic root of 2792720636 is about 1408.2372613417.

The spelling of 2792720636 in words is "two billion, seven hundred ninety-two million, seven hundred twenty thousand, six hundred thirty-six".