2790739 has 8 divisors (see below), whose sum is σ = 3357440. Its totient is φ = 2266056.

The previous prime is 2790721. The next prime is 2790769. The reversal of 2790739 is 9370972.

2790739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2790739 - 2⁵ = 2790707 is a prime.

It is a super-2 number, since 2×2790739² = 15576448332242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2790698 and 2790707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790769) 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, 10359 + ... + 10624.

It is an arithmetic number, because the mean of its divisors is an integer number (419680).

2^2790739 is an apocalyptic number.

2790739 is a deficient number, since it is larger than the sum of its proper divisors (566701).

2790739 is a wasteful number, since it uses less digits than its factorization.

2790739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21009.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 2790739 is about 1670.5505080661. The cubic root of 2790739 is about 140.7904100680.

The spelling of 2790739 in words is "two million, seven hundred ninety thousand, seven hundred thirty-nine".