2724705380 has 24 divisors (see below), whose sum is σ = 5722888248. Its totient is φ = 1089690368.

The previous prime is 2724705359. The next prime is 2724705397. The reversal of 2724705380 is 835074272.

It can be written as a sum of positive squares in 4 ways, for example, as 10086976 + 2714618404 = 3176^2 + 52102^2 .

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, 177782 + ... + 192498.

It is an arithmetic number, because the mean of its divisors is an integer number (238453677).

Almost surely, 2^2724705380 is an apocalyptic number.

2724705380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2724705380 is an abundant number, since it is smaller than the sum of its proper divisors (2998182868).

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

2724705380 is a wasteful number, since it uses less digits than its factorization.

2724705380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23983 (or 23981 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 2724705380 is about 52198.7105204717. The cubic root of 2724705380 is about 1396.7108807312.

The spelling of 2724705380 in words is "two billion, seven hundred twenty-four million, seven hundred five thousand, three hundred eighty".