2745726800 has 30 divisors (see below), whose sum is σ = 6596609598. Its totient is φ = 1098290560.

The previous prime is 2745726779. The next prime is 2745726889. The reversal of 2745726800 is 86275472.

It can be written as a sum of positive squares in 3 ways, for example, as 28815424 + 2716911376 = 5368^2 + 52124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3431759 + ... + 3432558.

Almost surely, 2^2745726800 is an apocalyptic number.

2745726800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2745726800 is an abundant number, since it is smaller than the sum of its proper divisors (3850882798).

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

2745726800 is a wasteful number, since it uses less digits than its factorization.

2745726800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6864335 (or 6864324 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 2745726800 is about 52399.6832051492. The cubic root of 2745726800 is about 1400.2936118880.

The spelling of 2745726800 in words is "two billion, seven hundred forty-five million, seven hundred twenty-six thousand, eight hundred".