2729081224 has 64 divisors (see below), whose sum is σ = 5343408000. Its totient is φ = 1305621504.

The previous prime is 2729081191. The next prime is 2729081227. The reversal of 2729081224 is 4221809272.

It is a Harshad number since it is a multiple of its sum of digits (37).

Together with 2614326776 it forms an amicable pair .

It is not an unprimeable number, because it can be changed into a prime (2729081227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6302512 + ... + 6302944.

It is an arithmetic number, because the mean of its divisors is an integer number (83490750).

Almost surely, 2^2729081224 is an apocalyptic number.

It is an amenable number.

2729081224 is a deficient number, since it is larger than the sum of its proper divisors (2614326776).

2729081224 is a wasteful number, since it uses less digits than its factorization.

2729081224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2729081224 is about 52240.6089551031. The cubic root of 2729081224 is about 1397.4581811021.

The spelling of 2729081224 in words is "two billion, seven hundred twenty-nine million, eighty-one thousand, two hundred twenty-four".