2664572 has 6 divisors (see below), whose sum is σ = 4663008. Its totient is φ = 1332284.

The previous prime is 2664553. The next prime is 2664577. The reversal of 2664572 is 2754662.

It is a d-powerful number, because it can be written as 2¹³ + 6³ + 6⁷ + 4⁹ + 5³ + 7⁵ + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333068 + ... + 333075.

It is an arithmetic number, because the mean of its divisors is an integer number (777168).

2^2664572 is an apocalyptic number.

It is an amenable number.

2664572 is a deficient number, since it is larger than the sum of its proper divisors (1998436).

2664572 is a wasteful number, since it uses less digits than its factorization.

2664572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666147 (or 666145 counting only the distinct ones).

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

The square root of 2664572 is about 1632.3516777950. The cubic root of 2664572 is about 138.6359363403.

The spelling of 2664572 in words is "two million, six hundred sixty-four thousand, five hundred seventy-two".