2745897306 has 16 divisors (see below), whose sum is σ = 5681167200. Its totient is φ = 883737008.

The previous prime is 2745897281. The next prime is 2745897313. The reversal of 2745897306 is 6037985472.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7890336 + ... + 7890683.

It is an arithmetic number, because the mean of its divisors is an integer number (355072950).

Almost surely, 2^2745897306 is an apocalyptic number.

2745897306 is an abundant number, since it is smaller than the sum of its proper divisors (2935269894).

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

2745897306 is a wasteful number, since it uses less digits than its factorization.

2745897306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15781053.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The square root of 2745897306 is about 52401.3101553768. The cubic root of 2745897306 is about 1400.3225967480.

The spelling of 2745897306 in words is "two billion, seven hundred forty-five million, eight hundred ninety-seven thousand, three hundred six".