2782734081 has 8 divisors (see below), whose sum is σ = 3711633120. Its totient is φ = 1854495552.

The previous prime is 2782734077. The next prime is 2782734089. The reversal of 2782734081 is 1804372872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2782734081 - 2² = 2782734077 is a prime.

It is a super-2 number, since 2×2782734081² = 15487217931117829122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2782734089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155211 + ... + 172208.

It is an arithmetic number, because the mean of its divisors is an integer number (463954140).

Almost surely, 2^2782734081 is an apocalyptic number.

It is an amenable number.

2782734081 is a deficient number, since it is larger than the sum of its proper divisors (928899039).

2782734081 is a wasteful number, since it uses less digits than its factorization.

2782734081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330255.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 2782734081 is about 52751.6263351188. The cubic root of 2782734081 is about 1406.5566736829.

The spelling of 2782734081 in words is "two billion, seven hundred eighty-two million, seven hundred thirty-four thousand, eighty-one".