74144743 has 8 divisors (see below), whose sum is σ = 75675600. Its totient is φ = 72629568.

The previous prime is 74144723. The next prime is 74144753. The reversal of 74144743 is 34744147.

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 74144743 - 2⁵ = 74144711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74144699 and 74144708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74144723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5880 + ... + 13522.

It is an arithmetic number, because the mean of its divisors is an integer number (9459450).

Almost surely, 2^74144743 is an apocalyptic number.

74144743 is a deficient number, since it is larger than the sum of its proper divisors (1530857).

74144743 is a wasteful number, since it uses less digits than its factorization.

74144743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7841.

The product of its digits is 37632, while the sum is 34.

The square root of 74144743 is about 8610.7341731121. The cubic root of 74144743 is about 420.1071967497.

The spelling of 74144743 in words is "seventy-four million, one hundred forty-four thousand, seven hundred forty-three".