2729739680 has 48 divisors (see below), whose sum is σ = 6453271944. Its totient is φ = 1091174400.

The previous prime is 2729739667. The next prime is 2729739763. The reversal of 2729739680 is 869379272.

It can be written as a sum of positive squares in 4 ways, for example, as 2388081424 + 341658256 = 48868^2 + 18484^2 .

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, 283424 + ... + 292896.

Almost surely, 2^2729739680 is an apocalyptic number.

2729739680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2729739680 is an abundant number, since it is smaller than the sum of its proper divisors (3723532264).

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

2729739680 is a wasteful number, since it uses less digits than its factorization.

2729739680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11289 (or 11281 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 2729739680 is about 52246.9107220704. The cubic root of 2729739680 is about 1397.5705621142.

The spelling of 2729739680 in words is "two billion, seven hundred twenty-nine million, seven hundred thirty-nine thousand, six hundred eighty".