2742800782 has 8 divisors (see below), whose sum is σ = 4115971656. Its totient is φ = 1370810232.

The previous prime is 2742800771. The next prime is 2742800783. The reversal of 2742800782 is 2870082472.

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

It is a super-2 number, since 2×2742800782² = 15045912259479623048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742800783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289248 + ... + 298579.

It is an arithmetic number, because the mean of its divisors is an integer number (514496457).

Almost surely, 2^2742800782 is an apocalyptic number.

2742800782 is a deficient number, since it is larger than the sum of its proper divisors (1373170874).

2742800782 is a wasteful number, since it uses less digits than its factorization.

2742800782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590162.

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 2742800782 is about 52371.7555749280. The cubic root of 2742800782 is about 1399.7960216426.

The spelling of 2742800782 in words is "two billion, seven hundred forty-two million, eight hundred thousand, seven hundred eighty-two".