74112789 has 8 divisors (see below), whose sum is σ = 101227392. Its totient is φ = 48203360.

The previous prime is 74112769. The next prime is 74112793. The reversal of 74112789 is 98721147.

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 74112789 - 2²⁰ = 73064213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74112769) 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, 301149 + ... + 301394.

It is an arithmetic number, because the mean of its divisors is an integer number (12653424).

Almost surely, 2^74112789 is an apocalyptic number.

It is an amenable number.

74112789 is a deficient number, since it is larger than the sum of its proper divisors (27114603).

74112789 is a wasteful number, since it uses less digits than its factorization.

74112789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602587.

The product of its digits is 28224, while the sum is 39.

The square root of 74112789 is about 8608.8784983876. The cubic root of 74112789 is about 420.0468371803.

It can be divided in two parts, 741 and 12789, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 74112789 in words is "seventy-four million, one hundred twelve thousand, seven hundred eighty-nine".