2729840472 has 96 divisors (see below), whose sum is σ = 7603081200. Its totient is φ = 884452608.

The previous prime is 2729840471. The next prime is 2729840479. The reversal of 2729840472 is 2740489272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729840471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412663 + ... + 419225.

Almost surely, 2^2729840472 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 2729840472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3801540600).

2729840472 is an abundant number, since it is smaller than the sum of its proper divisors (4873240728).

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

2729840472 is a wasteful number, since it uses less digits than its factorization.

2729840472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737 (or 6730 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 2729840472 is about 52247.8752869435. The cubic root of 2729840472 is about 1397.5877630460.

The spelling of 2729840472 in words is "two billion, seven hundred twenty-nine million, eight hundred forty thousand, four hundred seventy-two".