2666726 has 8 divisors (see below), whose sum is σ = 4210680. Its totient is φ = 1263168.

The previous prime is 2666717. The next prime is 2666743. The reversal of 2666726 is 6276662.

2666726 = T₂₂₆ + T₂₂₇ + ... + T₃₀₁.

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

It is a super-2 number, since 2×2666726² = 14222855118152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35051 + ... + 35126.

It is an arithmetic number, because the mean of its divisors is an integer number (526335).

2^2666726 is an apocalyptic number.

2666726 is a deficient number, since it is larger than the sum of its proper divisors (1543954).

2666726 is a wasteful number, since it uses less digits than its factorization.

2666726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70198.

The product of its digits is 36288, while the sum is 35.

The square root of 2666726 is about 1633.0113288033. The cubic root of 2666726 is about 138.6732833484.

The spelling of 2666726 in words is "two million, six hundred sixty-six thousand, seven hundred twenty-six".