530639747 has 8 divisors (see below), whose sum is σ = 582568752. Its totient is φ = 479325600.

The previous prime is 530639731. The next prime is 530639749. The reversal of 530639747 is 747936035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 530639747 - 2⁴ = 530639731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530639698 and 530639707.

It is not an unprimeable number, because it can be changed into a prime (530639749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151904 + ... + 155357.

It is an arithmetic number, because the mean of its divisors is an integer number (72821094).

Almost surely, 2^530639747 is an apocalyptic number.

530639747 is a deficient number, since it is larger than the sum of its proper divisors (51929005).

530639747 is a wasteful number, since it uses less digits than its factorization.

530639747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307429.

The product of its (nonzero) digits is 476280, while the sum is 44.

The square root of 530639747 is about 23035.6190930481. The cubic root of 530639747 is about 809.5927165471.

The spelling of 530639747 in words is "five hundred thirty million, six hundred thirty-nine thousand, seven hundred forty-seven".