2772505756 has 12 divisors (see below), whose sum is σ = 4983017368. Its totient is φ = 1348786512.

The previous prime is 2772505753. The next prime is 2772505759. The reversal of 2772505756 is 6575052772.

It is an interprime number because it is at equal distance from previous prime (2772505753) and next prime (2772505759).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772505751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9366426 + ... + 9366721.

Almost surely, 2^2772505756 is an apocalyptic number.

It is an amenable number.

2772505756 is a deficient number, since it is larger than the sum of its proper divisors (2210511612).

2772505756 is a wasteful number, since it uses less digits than its factorization.

2772505756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18733188 (or 18733186 counting only the distinct ones).

The product of its (nonzero) digits is 1029000, while the sum is 46.

The square root of 2772505756 is about 52654.5891257353. The cubic root of 2772505756 is about 1404.8312265452.

The spelling of 2772505756 in words is "two billion, seven hundred seventy-two million, five hundred five thousand, seven hundred fifty-six".