530742380 has 96 divisors (see below), whose sum is σ = 1355356800. Its totient is φ = 170422272.

The previous prime is 530742341. The next prime is 530742383. The reversal of 530742380 is 83247035.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (530742383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639806 + ... + 640634.

It is an arithmetic number, because the mean of its divisors is an integer number (14118300).

Almost surely, 2^530742380 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 530742380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677678400).

530742380 is an abundant number, since it is smaller than the sum of its proper divisors (824614420).

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

530742380 is a wasteful number, since it uses less digits than its factorization.

530742380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1129 counting only the distinct ones).

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

The square root of 530742380 is about 23037.8466875704. The cubic root of 530742380 is about 809.6449086249.

The spelling of 530742380 in words is "five hundred thirty million, seven hundred forty-two thousand, three hundred eighty".