534722520 has 128 divisors (see below), whose sum is σ = 1668522240. Its totient is φ = 136972800.

The previous prime is 534722509. The next prime is 534722521. The reversal of 534722520 is 25227435.

It is a super-3 number, since 3×534722520³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534722521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367795 + ... + 369245.

It is an arithmetic number, because the mean of its divisors is an integer number (13035330).

Almost surely, 2^534722520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 534722520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (834261120).

534722520 is an abundant number, since it is smaller than the sum of its proper divisors (1133799720).

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

534722520 is a wasteful number, since it uses less digits than its factorization.

534722520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585 (or 1581 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 534722520 is about 23124.0679812182. The cubic root of 534722520 is about 811.6637651154.

Adding to 534722520 its reverse (25227435), we get a palindrome (559949955).

The spelling of 534722520 in words is "five hundred thirty-four million, seven hundred twenty-two thousand, five hundred twenty".