2750668720 has 40 divisors (see below), whose sum is σ = 6544040976. Its totient is φ = 1074678528.

The previous prime is 2750668717. The next prime is 2750668757. The reversal of 2750668720 is 278660572.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396367 + ... + 403246.

Almost surely, 2^2750668720 is an apocalyptic number.

2750668720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2750668720 is an abundant number, since it is smaller than the sum of its proper divisors (3793372256).

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

2750668720 is a wasteful number, since it uses less digits than its factorization.

2750668720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799669 (or 799663 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 2750668720 is about 52446.8180159674. The cubic root of 2750668720 is about 1401.1332185325.

The spelling of 2750668720 in words is "two billion, seven hundred fifty million, six hundred sixty-eight thousand, seven hundred twenty".