542736867 has 4 divisors (see below), whose sum is σ = 723649160. Its totient is φ = 361824576.

The previous prime is 542736847. The next prime is 542736877. The reversal of 542736867 is 768637245.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 542736867 - 2⁷ = 542736739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542736847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90456142 + ... + 90456147.

It is an arithmetic number, because the mean of its divisors is an integer number (180912290).

Almost surely, 2^542736867 is an apocalyptic number.

542736867 is a deficient number, since it is larger than the sum of its proper divisors (180912293).

542736867 is a wasteful number, since it uses less digits than its factorization.

542736867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180912292.

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

The square root of 542736867 is about 23296.7136523588. The cubic root of 542736867 is about 815.6987080318.

The spelling of 542736867 in words is "five hundred forty-two million, seven hundred thirty-six thousand, eight hundred sixty-seven".