2750002506 has 48 divisors (see below), whose sum is σ = 6330636000. Its totient is φ = 860294304.

The previous prime is 2750002483. The next prime is 2750002523. The reversal of 2750002506 is 6052000572.

It is a self number, because there is not a number n which added to its sum of digits gives 2750002506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 981 + ... + 74168.

It is an arithmetic number, because the mean of its divisors is an integer number (131888250).

Almost surely, 2^2750002506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2750002506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3165318000).

2750002506 is an abundant number, since it is smaller than the sum of its proper divisors (3580633494).

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

2750002506 is a wasteful number, since it uses less digits than its factorization.

2750002506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75283 (or 75280 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 2750002506 is about 52440.4663022746. The cubic root of 2750002506 is about 1401.0200908979.

The spelling of 2750002506 in words is "two billion, seven hundred fifty million, two thousand, five hundred six".