74543117 has 8 divisors (see below), whose sum is σ = 81482112. Its totient is φ = 67631200.

The previous prime is 74543111. The next prime is 74543143. The reversal of 74543117 is 71134547.

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

It is a cyclic number.

It is not a de Polignac number, because 74543117 - 2⁴ = 74543101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74543111) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 773 + ... + 12234.

It is an arithmetic number, because the mean of its divisors is an integer number (10185264).

Almost surely, 2^74543117 is an apocalyptic number.

It is an amenable number.

74543117 is a deficient number, since it is larger than the sum of its proper divisors (6938995).

74543117 is a wasteful number, since it uses less digits than its factorization.

74543117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13539.

The product of its digits is 11760, while the sum is 32.

The square root of 74543117 is about 8633.8355902808. The cubic root of 74543117 is about 420.8582544424.

The spelling of 74543117 in words is "seventy-four million, five hundred forty-three thousand, one hundred seventeen".