530726742 has 240 divisors, whose sum is σ = 1541065680. Its totient is φ = 135209088.

The previous prime is 530726659. The next prime is 530726759. The reversal of 530726742 is 247627035.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 530726697 and 530726706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3818109 + ... + 3818247.

It is an arithmetic number, because the mean of its divisors is an integer number (6421107).

Almost surely, 2^530726742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530726742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770532840).

530726742 is an abundant number, since it is smaller than the sum of its proper divisors (1010338938).

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

530726742 is a wasteful number, since it uses less digits than its factorization.

530726742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 530726742 is about 23037.5072870309. The cubic root of 530726742 is about 809.6369566492.

The spelling of 530726742 in words is "five hundred thirty million, seven hundred twenty-six thousand, seven hundred forty-two".