542772 has 18 divisors (see below), whose sum is σ = 1372098. Its totient is φ = 180912.

The previous prime is 542771. The next prime is 542783. The reversal of 542772 is 277245.

It can be written as a sum of positive squares in only one way, i.e., 318096 + 224676 = 564^2 + 474^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 542772.

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7503 + ... + 7574.

2⁵⁴²⁷⁷² is an apocalyptic number.

It is an amenable number.

542772 is an abundant number, since it is smaller than the sum of its proper divisors (829326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542772 is a wasteful number, since it uses less digits than its factorization.

542772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15087 (or 15082 counting only the distinct ones).

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

The square root of 542772 is about 736.7306156255. The cubic root of 542772 is about 81.5716308534.

The spelling of 542772 in words is "five hundred forty-two thousand, seven hundred seventy-two".