542769 has 8 divisors (see below), whose sum is σ = 727680. Its totient is φ = 359856.

The previous prime is 542761. The next prime is 542771. The reversal of 542769 is 967245.

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

It is not a de Polignac number, because 542769 - 2³ = 542761 is a prime.

It is a super-2 number, since 2×542769² = 589196374722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5³ + 4⁵ + 7⁴ + 2 + 6⁵ + 9⁶ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542769.

It is not an unprimeable number, because it can be changed into a prime (542761) 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, 339 + ... + 1095.

It is an arithmetic number, because the mean of its divisors is an integer number (90960).

2⁵⁴²⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

542769 is a deficient number, since it is larger than the sum of its proper divisors (184911).

542769 is a wasteful number, since it uses less digits than its factorization.

542769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999.

The product of its digits is 15120, while the sum is 33.

The square root of 542769 is about 736.7285796004. The cubic root of 542769 is about 81.5714805660.

It can be divided in two parts, 54276 and 9, that added together give a triangular number (54285 = T₃₂₉).

The spelling of 542769 in words is "five hundred forty-two thousand, seven hundred sixty-nine".