2752775028 has 36 divisors (see below), whose sum is σ = 7030148580. Its totient is φ = 908130816.

The previous prime is 2752775021. The next prime is 2752775063. The reversal of 2752775028 is 8205772572.

2752775028 is a `hidden beast` number, since 2 + 75 + 2 + 77 + 502 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 597215844 + 2155559184 = 24438^2 + 46428^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2752775021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390663 + ... + 397646.

It is an arithmetic number, because the mean of its divisors is an integer number (195281905).

Almost surely, 2^2752775028 is an apocalyptic number.

It is an amenable number.

2752775028 is an abundant number, since it is smaller than the sum of its proper divisors (4277373552).

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

2752775028 is a wasteful number, since it uses less digits than its factorization.

2752775028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788416 (or 788411 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 45.

The square root of 2752775028 is about 52466.8945907798. The cubic root of 2752775028 is about 1401.4907637255.

The spelling of 2752775028 in words is "two billion, seven hundred fifty-two million, seven hundred seventy-five thousand, twenty-eight".