542773668 has 24 divisors (see below), whose sum is σ = 1307326720. Its totient is φ = 175088160.

The previous prime is 542773643. The next prime is 542773681. The reversal of 542773668 is 866377245.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729163 + ... + 729906.

Almost surely, 2^542773668 is an apocalyptic number.

It is an amenable number.

542773668 is an abundant number, since it is smaller than the sum of its proper divisors (764553052).

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

542773668 is a wasteful number, since it uses less digits than its factorization.

542773668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459107 (or 1459105 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 48.

The square root of 542773668 is about 23297.5034714023. The cubic root of 542773668 is about 815.7171441295.

The spelling of 542773668 in words is "five hundred forty-two million, seven hundred seventy-three thousand, six hundred sixty-eight".