542704686 has 8 divisors (see below), whose sum is σ = 1085409384. Its totient is φ = 180901560.

The previous prime is 542704667. The next prime is 542704697. The reversal of 542704686 is 686407245.

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

542704686 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45225385 + ... + 45225396.

It is an arithmetic number, because the mean of its divisors is an integer number (135676173).

Almost surely, 2^542704686 is an apocalyptic number.

542704686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

542704686 is a wasteful number, since it uses less digits than its factorization.

542704686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90450786.

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 542704686 is about 23296.0229653046. The cubic root of 542704686 is about 815.6825857200.

The spelling of 542704686 in words is "five hundred forty-two million, seven hundred four thousand, six hundred eighty-six".