542491727 has 8 divisors (see below), whose sum is σ = 551795040. Its totient is φ = 533201760.

The previous prime is 542491717. The next prime is 542491783. The reversal of 542491727 is 727194245.

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 542491727 - 2¹⁰ = 542490703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542491717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112253 + ... + 116985.

It is an arithmetic number, because the mean of its divisors is an integer number (68974380).

Almost surely, 2^542491727 is an apocalyptic number.

542491727 is a deficient number, since it is larger than the sum of its proper divisors (9303313).

542491727 is a wasteful number, since it uses less digits than its factorization.

542491727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673.

The product of its digits is 141120, while the sum is 41.

The square root of 542491727 is about 23291.4518010364. The cubic root of 542491727 is about 815.5758796370.

The spelling of 542491727 in words is "five hundred forty-two million, four hundred ninety-one thousand, seven hundred twenty-seven".