42547342 has 8 divisors (see below), whose sum is σ = 64025856. Its totient is φ = 21205392.

The previous prime is 42547333. The next prime is 42547357. The reversal of 42547342 is 24374524.

It is a happy number.

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

It is a super-2 number, since 2×42547342² = 3620552622529928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33358 + ... + 34609.

It is an arithmetic number, because the mean of its divisors is an integer number (8003232).

Almost surely, 2^42547342 is an apocalyptic number.

42547342 is a deficient number, since it is larger than the sum of its proper divisors (21478514).

42547342 is a wasteful number, since it uses less digits than its factorization.

42547342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68282.

The product of its digits is 26880, while the sum is 31.

The square root of 42547342 is about 6522.8323602558. The cubic root of 42547342 is about 349.1061326952.

The spelling of 42547342 in words is "forty-two million, five hundred forty-seven thousand, three hundred forty-two".