542870 has 8 divisors (see below), whose sum is σ = 977184. Its totient is φ = 217144.

The previous prime is 542837. The next prime is 542873. The reversal of 542870 is 78245.

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 542870.

It is not an unprimeable number, because it can be changed into a prime (542873) by changing a digit.

542870 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 27134 + ... + 27153.

It is an arithmetic number, because the mean of its divisors is an integer number (122148).

2⁵⁴²⁸⁷⁰ is an apocalyptic number.

542870 is a deficient number, since it is larger than the sum of its proper divisors (434314).

542870 is a wasteful number, since it uses less digits than its factorization.

542870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54294.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 542870 is about 736.7971226871. The cubic root of 542870 is about 81.5765399366.

It can be divided in two parts, 5 and 42870, that added together give a cube (42875 = 35³).

The spelling of 542870 in words is "five hundred forty-two thousand, eight hundred seventy".