2572664 has 16 divisors (see below), whose sum is σ = 4842720. Its totient is φ = 1281280.

The previous prime is 2572663. The next prime is 2572667. The reversal of 2572664 is 4662752.

It is a d-powerful number, because it can be written as 2¹⁰ + 5⁴ + 7⁷ + 2¹⁶ + 6⁴ + 6⁸ + 4⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 2572664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2369 + ... + 3279.

It is an arithmetic number, because the mean of its divisors is an integer number (302670).

2^2572664 is an apocalyptic number.

It is an amenable number.

2572664 is a deficient number, since it is larger than the sum of its proper divisors (2270056).

2572664 is a wasteful number, since it uses less digits than its factorization.

2572664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1266 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 2572664 is about 1603.9526177540. The cubic root of 2572664 is about 137.0232791173.

The spelling of 2572664 in words is "two million, five hundred seventy-two thousand, six hundred sixty-four".