2628073 has 16 divisors (see below), whose sum is σ = 3149440. Its totient is φ = 2146176.

The previous prime is 2628053. The next prime is 2628077. The reversal of 2628073 is 3708262.

2628073 = T₁₁₂ + T₁₁₃ + ... + T₂₅₇.

It is a Cunningham number, because it is equal to 138³+1.

It is a 3-Lehmer number, since φ(2628073) divides (2628073-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 2628073 - 2⁹ = 2627561 is a prime.

It is an Ulam number.

It is a deceptive number, since it divides R_2628072.

It is not an unprimeable number, because it can be changed into a prime (2628077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18838 + ... + 18976.

It is an arithmetic number, because the mean of its divisors is an integer number (196840).

It is a Poulet number, since it divides 2^2628072-1.

2^2628073 is an apocalyptic number.

It is an amenable number.

2628073 is a deficient number, since it is larger than the sum of its proper divisors (521367).

2628073 is a wasteful number, since it uses less digits than its factorization.

2628073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2628073 is about 1621.1332456032. The cubic root of 2628073 is about 138.0000175033. Note that the first 4 decimals are identical.

The spelling of 2628073 in words is "two million, six hundred twenty-eight thousand, seventy-three".