537729 has 4 divisors (see below), whose sum is σ = 716976. Its totient is φ = 358484.

The previous prime is 537709. The next prime is 537739. The reversal of 537729 is 927735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 537729 - 2¹² = 533633 is a prime.

It is a d-powerful number, because it can be written as 5⁵ + 3⁵ + 7 + 7⁴ + 2⁹ + 9⁶ .

It is a D-number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 537729.

It is not an unprimeable number, because it can be changed into a prime (537709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89619 + ... + 89624.

It is an arithmetic number, because the mean of its divisors is an integer number (179244).

537729 is a Friedman number, since it can be written as (7+7)^(3+2)-95, using all its digits and the basic arithmetic operations.

2⁵³⁷⁷²⁹ is an apocalyptic number.

It is an amenable number.

537729 is a deficient number, since it is larger than the sum of its proper divisors (179247).

537729 is a wasteful number, since it uses less digits than its factorization.

537729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179246.

The product of its digits is 13230, while the sum is 33.

The square root of 537729 is about 733.3000750034. The cubic root of 537729 is about 81.3182117517.

The spelling of 537729 in words is "five hundred thirty-seven thousand, seven hundred twenty-nine".