2066574 has 8 divisors (see below), whose sum is σ = 4133160. Its totient is φ = 688856.

The previous prime is 2066563. The next prime is 2066579. The reversal of 2066574 is 4756602.

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

2066574 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066579) 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 3 ways as a sum of consecutive naturals, for example, 172209 + ... + 172220.

It is an arithmetic number, because the mean of its divisors is an integer number (516645).

2^2066574 is an apocalyptic number.

2066574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2066574 is a wasteful number, since it uses less digits than its factorization.

2066574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344434.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2066574 is about 1437.5583466420. The cubic root of 2066574 is about 127.3748406541.

It can be divided in two parts, 206657 and 4, that multiplied together give a palindrome (826628).

The spelling of 2066574 in words is "two million, sixty-six thousand, five hundred seventy-four".