74544923 has 4 divisors (see below), whose sum is σ = 78468360. Its totient is φ = 70621488.

The previous prime is 74544913. The next prime is 74544941. The reversal of 74544923 is 32944547.

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 74544923 - 2⁸ = 74544667 is a prime.

It is a super-3 number, since 3×74544923³ (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 (74544913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1961690 + ... + 1961727.

It is an arithmetic number, because the mean of its divisors is an integer number (19617090).

Almost surely, 2^74544923 is an apocalyptic number.

74544923 is a deficient number, since it is larger than the sum of its proper divisors (3923437).

74544923 is a wasteful number, since it uses less digits than its factorization.

74544923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923436.

The product of its digits is 120960, while the sum is 38.

The square root of 74544923 is about 8633.9401781574. The cubic root of 74544923 is about 420.8616532086.

The spelling of 74544923 in words is "seventy-four million, five hundred forty-four thousand, nine hundred twenty-three".