2750721967 has 12 divisors (see below), whose sum is σ = 3214996536. Its totient is φ = 2346578640.

The previous prime is 2750721959. The next prime is 2750721989. The reversal of 2750721967 is 7691270572.

It is not a de Polignac number, because 2750721967 - 2³ = 2750721959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2750721947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122688 + ... + 143365.

It is an arithmetic number, because the mean of its divisors is an integer number (267916378).

Almost surely, 2^2750721967 is an apocalyptic number.

2750721967 is a deficient number, since it is larger than the sum of its proper divisors (464274569).

2750721967 is a wasteful number, since it uses less digits than its factorization.

2750721967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266278 (or 266271 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 46.

The square root of 2750721967 is about 52447.3256420192. The cubic root of 2750721967 is about 1401.1422594442.

The spelling of 2750721967 in words is "two billion, seven hundred fifty million, seven hundred twenty-one thousand, nine hundred sixty-seven".