2749677720 has 64 divisors (see below), whose sum is σ = 8683200000. Its totient is φ = 694654848.

The previous prime is 2749677673. The next prime is 2749677727. The reversal of 2749677720 is 277769472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749677727) 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 15 ways as a sum of consecutive naturals, for example, 600720 + ... + 605279.

It is an arithmetic number, because the mean of its divisors is an integer number (135675000).

Almost surely, 2^2749677720 is an apocalyptic number.

2749677720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2749677720 is an abundant number, since it is smaller than the sum of its proper divisors (5933522280).

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

2749677720 is a wasteful number, since it uses less digits than its factorization.

2749677720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206032 (or 1206028 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 51.

The square root of 2749677720 is about 52437.3694992417. The cubic root of 2749677720 is about 1400.9649334177.

The spelling of 2749677720 in words is "two billion, seven hundred forty-nine million, six hundred seventy-seven thousand, seven hundred twenty".