2745304272 has 40 divisors (see below), whose sum is σ = 7880041280. Its totient is φ = 915101280.

The previous prime is 2745304271. The next prime is 2745304291. The reversal of 2745304272 is 2724035472.

It is a happy number.

It is a super-2 number, since 2×2745304272² = 15073391091722899968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745304271) 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 7 ways as a sum of consecutive naturals, for example, 3177004 + ... + 3177867.

It is an arithmetic number, because the mean of its divisors is an integer number (197001032).

Almost surely, 2^2745304272 is an apocalyptic number.

It is an amenable number.

2745304272 is an abundant number, since it is smaller than the sum of its proper divisors (5134737008).

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

2745304272 is a wasteful number, since it uses less digits than its factorization.

2745304272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6354888 (or 6354876 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The square root of 2745304272 is about 52395.6512699289. The cubic root of 2745304272 is about 1400.2217798311.

The spelling of 2745304272 in words is "two billion, seven hundred forty-five million, three hundred four thousand, two hundred seventy-two".