2790071 has 4 divisors (see below), whose sum is σ = 2807352. Its totient is φ = 2772792.

The previous prime is 2790041. The next prime is 2790077. The reversal of 2790071 is 1700972.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2790071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2790071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790077) 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, 8396 + ... + 8721.

It is an arithmetic number, because the mean of its divisors is an integer number (701838).

2^2790071 is an apocalyptic number.

2790071 is a deficient number, since it is larger than the sum of its proper divisors (17281).

2790071 is a wasteful number, since it uses less digits than its factorization.

2790071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17280.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 2790071 is about 1670.3505620079. The cubic root of 2790071 is about 140.7791758276.

The spelling of 2790071 in words is "two million, seven hundred ninety thousand, seventy-one".