572634 has 24 divisors (see below), whose sum is σ = 1284660. Its totient is φ = 184128.

The previous prime is 572633. The next prime is 572639. The reversal of 572634 is 436275.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 567009 + 5625 = 753^2 + 75^2 .

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 572598 and 572607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27 + ... + 1070.

2⁵⁷²⁶³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 572634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642330).

572634 is an abundant number, since it is smaller than the sum of its proper divisors (712026).

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

572634 is a wasteful number, since it uses less digits than its factorization.

572634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1131 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 572634 is about 756.7258420326. The cubic root of 572634 is about 83.0409629902.

The spelling of 572634 in words is "five hundred seventy-two thousand, six hundred thirty-four".