530737729 has 8 divisors (see below), whose sum is σ = 554478120. Its totient is φ = 507360000.

The previous prime is 530737717. The next prime is 530737751. The reversal of 530737729 is 927737035.

It can be written as a sum of positive squares in 4 ways, for example, as 392040000 + 138697729 = 19800^2 + 11777^2 .

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 530737729 - 2¹⁵ = 530704961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530737789) 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, 87672 + ... + 93529.

It is an arithmetic number, because the mean of its divisors is an integer number (69309765).

Almost surely, 2^530737729 is an apocalyptic number.

It is an amenable number.

530737729 is a deficient number, since it is larger than the sum of its proper divisors (23740391).

530737729 is a wasteful number, since it uses less digits than its factorization.

530737729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181331.

The product of its (nonzero) digits is 277830, while the sum is 43.

The square root of 530737729 is about 23037.7457447555. The cubic root of 530737729 is about 809.6425435920.

The spelling of 530737729 in words is "five hundred thirty million, seven hundred thirty-seven thousand, seven hundred twenty-nine".