2574666 has 40 divisors (see below), whose sum is σ = 6028704. Its totient is φ = 819720.

The previous prime is 2574661. The next prime is 2574683. The reversal of 2574666 is 6664752.

It is a self number, because there is not a number n which added to its sum of digits gives 2574666.

It is not an unprimeable number, because it can be changed into a prime (2574661) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3381 + ... + 4071.

2^2574666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2574666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3014352).

2574666 is an abundant number, since it is smaller than the sum of its proper divisors (3454038).

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

2574666 is a wasteful number, since it uses less digits than its factorization.

2574666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 719 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 2574666 is about 1604.5765796621. The cubic root of 2574666 is about 137.0588129036.

It can be divided in two parts, 2574 and 666, that added together give a triangular number (3240 = T₈₀).

The spelling of 2574666 in words is "two million, five hundred seventy-four thousand, six hundred sixty-six".