2072564 has 12 divisors (see below), whose sum is σ = 3906084. Its totient is φ = 956544.

The previous prime is 2072563. The next prime is 2072569. The reversal of 2072564 is 4652702.

It can be written as a sum of positive squares in 2 ways, for example, as 1276900 + 795664 = 1130^2 + 892^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072563) 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, 19877 + ... + 19980.

It is an arithmetic number, because the mean of its divisors is an integer number (325507).

2^2072564 is an apocalyptic number.

It is an amenable number.

2072564 is a deficient number, since it is larger than the sum of its proper divisors (1833520).

2072564 is a wasteful number, since it uses less digits than its factorization.

2072564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39874 (or 39872 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2072564 is about 1439.6402328360. The cubic root of 2072564 is about 127.4977879919.

The spelling of 2072564 in words is "two million, seventy-two thousand, five hundred sixty-four".