74944123 has 4 divisors (see below), whose sum is σ = 76062760. Its totient is φ = 73825488.

The previous prime is 74944117. The next prime is 74944127. The reversal of 74944123 is 32144947.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74944123 - 2²¹ = 72846971 is a prime.

It is a super-3 number, since 3×74944123³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74944127) 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 3 ways as a sum of consecutive naturals, for example, 559218 + ... + 559351.

It is an arithmetic number, because the mean of its divisors is an integer number (19015690).

Almost surely, 2^74944123 is an apocalyptic number.

74944123 is a deficient number, since it is larger than the sum of its proper divisors (1118637).

74944123 is a wasteful number, since it uses less digits than its factorization.

74944123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118636.

The product of its digits is 24192, while the sum is 34.

The square root of 74944123 is about 8657.0273766461. The cubic root of 74944123 is about 421.6115766600.

The spelling of 74944123 in words is "seventy-four million, nine hundred forty-four thousand, one hundred twenty-three".