74461143 has 8 divisors (see below), whose sum is σ = 103598208. Its totient is φ = 47482424.

The previous prime is 74461129. The next prime is 74461147. The reversal of 74461143 is 34116447.

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 74461143 - 2⁸ = 74460887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74461143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74461147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539505 + ... + 539642.

It is an arithmetic number, because the mean of its divisors is an integer number (12949776).

Almost surely, 2^74461143 is an apocalyptic number.

74461143 is a deficient number, since it is larger than the sum of its proper divisors (29137065).

74461143 is a wasteful number, since it uses less digits than its factorization.

74461143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079173.

The product of its digits is 8064, while the sum is 30.

The square root of 74461143 is about 8629.0870316622. The cubic root of 74461143 is about 420.7039272564.

The spelling of 74461143 in words is "seventy-four million, four hundred sixty-one thousand, one hundred forty-three".