542747342 has 8 divisors (see below), whose sum is σ = 814380600. Its totient is φ = 271287144.

The previous prime is 542747341. The next prime is 542747347. The reversal of 542747342 is 243747245.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 542747296 and 542747305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542747341) 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, 35117 + ... + 48152.

It is an arithmetic number, because the mean of its divisors is an integer number (101797575).

Almost surely, 2^542747342 is an apocalyptic number.

542747342 is a deficient number, since it is larger than the sum of its proper divisors (271633258).

542747342 is a wasteful number, since it uses less digits than its factorization.

542747342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86530.

The product of its digits is 188160, while the sum is 38.

The square root of 542747342 is about 23296.9384683911. The cubic root of 542747342 is about 815.7039557491.

It can be divided in two parts, 54274 and 7342, that added together give a palindrome (61616).

The spelling of 542747342 in words is "five hundred forty-two million, seven hundred forty-seven thousand, three hundred forty-two".