2066670 has 24 divisors (see below), whose sum is σ = 5373576. Its totient is φ = 551088.

The previous prime is 2066653. The next prime is 2066681. The reversal of 2066670 is 766602.

It is a super-2 number, since 2×2066670² = 8542249777800, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11392 + ... + 11571.

It is an arithmetic number, because the mean of its divisors is an integer number (223899).

2^2066670 is an apocalyptic number.

2066670 is an abundant number, since it is smaller than the sum of its proper divisors (3306906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2066670 is a wasteful number, since it uses less digits than its factorization.

2066670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22976 (or 22973 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2066670 is about 1437.5917362033. The cubic root of 2066670 is about 127.3768129676.

It can be divided in two parts, 20666 and 70, that added together give a 4-th power (20736 = 12⁴).

The spelling of 2066670 in words is "two million, sixty-six thousand, six hundred seventy".