2729493872 has 60 divisors (see below), whose sum is σ = 6148932336. Its totient is φ = 1149792000.

The previous prime is 2729493863. The next prime is 2729493883. The reversal of 2729493872 is 2783949272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386372 + ... + 393372.

Almost surely, 2^2729493872 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 2729493872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3074466168).

2729493872 is an abundant number, since it is smaller than the sum of its proper divisors (3419438464).

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

2729493872 is an equidigital number, since it uses as much as digits as its factorization.

2729493872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7134 (or 7069 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 53.

The square root of 2729493872 is about 52244.5583003627. The cubic root of 2729493872 is about 1397.5286113085.

The spelling of 2729493872 in words is "two billion, seven hundred twenty-nine million, four hundred ninety-three thousand, eight hundred seventy-two".