74543342 has 8 divisors (see below), whose sum is σ = 113648232. Its totient is φ = 36660600.

The previous prime is 74543341. The next prime is 74543347. The reversal of 74543342 is 24334547.

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 = 74543299 and 74543308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74543341) 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, 305384 + ... + 305627.

It is an arithmetic number, because the mean of its divisors is an integer number (14206029).

Almost surely, 2^74543342 is an apocalyptic number.

74543342 is a deficient number, since it is larger than the sum of its proper divisors (39104890).

74543342 is a wasteful number, since it uses less digits than its factorization.

74543342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611074.

The product of its digits is 40320, while the sum is 32.

The square root of 74543342 is about 8633.8486204010. The cubic root of 74543342 is about 420.8586778798.

Adding to 74543342 its reverse (24334547), we get a palindrome (98877889).

The spelling of 74543342 in words is "seventy-four million, five hundred forty-three thousand, three hundred forty-two".