542774 has 8 divisors (see below), whose sum is σ = 822528. Its totient is φ = 268600.

The previous prime is 542771. The next prime is 542783. The reversal of 542774 is 477245.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542774.

It is not an unprimeable number, because it can be changed into a prime (542771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1142 + ... + 1545.

It is an arithmetic number, because the mean of its divisors is an integer number (102816).

2⁵⁴²⁷⁷⁴ is an apocalyptic number.

542774 is a deficient number, since it is larger than the sum of its proper divisors (279754).

542774 is a wasteful number, since it uses less digits than its factorization.

542774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790.

The product of its digits is 7840, while the sum is 29.

The square root of 542774 is about 736.7319729725. The cubic root of 542774 is about 81.5717310447.

The spelling of 542774 in words is "five hundred forty-two thousand, seven hundred seventy-four".