2750621272 has 64 divisors (see below), whose sum is σ = 6113448000. Its totient is φ = 1159441920.

The previous prime is 2750621231. The next prime is 2750621303. The reversal of 2750621272 is 2721260572.

It is a happy number.

2750621272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159168 + ... + 175600.

It is an arithmetic number, because the mean of its divisors is an integer number (95522625).

Almost surely, 2^2750621272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2750621272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3056724000).

2750621272 is an abundant number, since it is smaller than the sum of its proper divisors (3362826728).

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

2750621272 is a wasteful number, since it uses less digits than its factorization.

2750621272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16521 (or 16503 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 2750621272 is about 52446.3656700824. The cubic root of 2750621272 is about 1401.1251621459.

The spelling of 2750621272 in words is "two billion, seven hundred fifty million, six hundred twenty-one thousand, two hundred seventy-two".