74488143 has 8 divisors (see below), whose sum is σ = 100341808. Its totient is φ = 49146624.

The previous prime is 74488097. The next prime is 74488177. The reversal of 74488143 is 34188447.

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

It is not a de Polignac number, because 74488143 - 2⁶ = 74488079 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 (74488243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127696 + ... + 128277.

It is an arithmetic number, because the mean of its divisors is an integer number (12542726).

Almost surely, 2^74488143 is an apocalyptic number.

74488143 is a deficient number, since it is larger than the sum of its proper divisors (25853665).

74488143 is a wasteful number, since it uses less digits than its factorization.

74488143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256073.

The product of its digits is 86016, while the sum is 39.

The square root of 74488143 is about 8630.6513659167. The cubic root of 74488143 is about 420.7547709265.

The spelling of 74488143 in words is "seventy-four million, four hundred eighty-eight thousand, one hundred forty-three".