2745047732 has 48 divisors (see below), whose sum is σ = 5838658560. Its totient is φ = 1102367232.

The previous prime is 2745047707. The next prime is 2745047761. The reversal of 2745047732 is 2377405472.

2745047732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2745047732.

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, 96413 + ... + 121595.

It is an arithmetic number, because the mean of its divisors is an integer number (121638720).

Almost surely, 2^2745047732 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 2745047732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2919329280).

2745047732 is an abundant number, since it is smaller than the sum of its proper divisors (3093610828).

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

2745047732 is a wasteful number, since it uses less digits than its factorization.

2745047732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25440 (or 25438 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 41.

The square root of 2745047732 is about 52393.2031088003. The cubic root of 2745047732 is about 1400.1781630404.

The spelling of 2745047732 in words is "two billion, seven hundred forty-five million, forty-seven thousand, seven hundred thirty-two".