542727 has 8 divisors (see below), whose sum is σ = 804080. Its totient is φ = 361800.

The previous prime is 542723. The next prime is 542747. The reversal of 542727 is 727245.

It is not a de Polignac number, because 542727 - 2² = 542723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 20101 = 542727 / (5 + 4 + 2 + 7 + 2 + 7).

It is a Duffinian number.

542727 is a modest number, since divided by 2727 gives 54 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 542727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542723) 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, 10024 + ... + 10077.

It is an arithmetic number, because the mean of its divisors is an integer number (100510).

2⁵⁴²⁷²⁷ is an apocalyptic number.

542727 is a deficient number, since it is larger than the sum of its proper divisors (261353).

542727 is a wasteful number, since it uses less digits than its factorization.

542727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20110 (or 20104 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 542727 is about 736.7000746573. The cubic root of 542727 is about 81.5693764846.

The spelling of 542727 in words is "five hundred forty-two thousand, seven hundred twenty-seven".