2573634 has 32 divisors (see below), whose sum is σ = 6088320. Its totient is φ = 709632.

The previous prime is 2573633. The next prime is 2573653. The reversal of 2573634 is 4363752.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2⁷ + 5⁹ + 7⁵ + 3⁸ + 6² + 3¹² + 4⁸ .

It is not an unprimeable number, because it can be changed into a prime (2573633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162 + ... + 2274.

It is an arithmetic number, because the mean of its divisors is an integer number (190260).

2^2573634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2573634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3044160).

2573634 is an abundant number, since it is smaller than the sum of its proper divisors (3514686).

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

2573634 is a wasteful number, since it uses less digits than its factorization.

2573634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154.

The product of its digits is 15120, while the sum is 30.

The square root of 2573634 is about 1604.2549672667. The cubic root of 2573634 is about 137.0404980882.

The spelling of 2573634 in words is "two million, five hundred seventy-three thousand, six hundred thirty-four".