2705679 has 6 divisors (see below), whose sum is σ = 3908216. Its totient is φ = 1803780.

The previous prime is 2705663. The next prime is 2705687. The reversal of 2705679 is 9765072.

It is not a de Polignac number, because 2705679 - 2⁴ = 2705663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2705629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150307 + ... + 150324.

2^2705679 is an apocalyptic number.

2705679 is a deficient number, since it is larger than the sum of its proper divisors (1202537).

2705679 is a wasteful number, since it uses less digits than its factorization.

2705679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300637 (or 300634 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 2705679 is about 1644.8948294648. The cubic root of 2705679 is about 139.3452247253.

The spelling of 2705679 in words is "two million, seven hundred five thousand, six hundred seventy-nine".