542742730 has 64 divisors (see below), whose sum is σ = 1061019648. Its totient is φ = 199298880.

The previous prime is 542742713. The next prime is 542742749. The reversal of 542742730 is 37247245.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1161957 + ... + 1162423.

It is an arithmetic number, because the mean of its divisors is an integer number (16578432).

Almost surely, 2^542742730 is an apocalyptic number.

542742730 is a deficient number, since it is larger than the sum of its proper divisors (518276918).

542742730 is a wasteful number, since it uses less digits than its factorization.

542742730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 542742730 is about 23296.8394852177. The cubic root of 542742730 is about 815.7016452589.

Adding to 542742730 its reverse (37247245), we get a palindrome (579989975).

The spelling of 542742730 in words is "five hundred forty-two million, seven hundred forty-two thousand, seven hundred thirty".