2781000704 has 88 divisors (see below), whose sum is σ = 5836406400. Its totient is φ = 1322639360.

The previous prime is 2781000671. The next prime is 2781000707. The reversal of 2781000704 is 4070001872.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2781000707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2107757 + ... + 2109075.

It is an arithmetic number, because the mean of its divisors is an integer number (66322800).

Almost surely, 2^2781000704 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 2781000704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2918203200).

2781000704 is an abundant number, since it is smaller than the sum of its proper divisors (3055405696).

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

2781000704 is a wasteful number, since it uses less digits than its factorization.

2781000704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 2781000704 is about 52735.1941686005. The cubic root of 2781000704 is about 1406.2645629596.

The spelling of 2781000704 in words is "two billion, seven hundred eighty-one million, seven hundred four", and thus it is an aban number.