74431984923867 has 8 divisors (see below), whose sum is σ = 99242729364240. Its totient is φ = 49621281883040.

The previous prime is 74431984923827. The next prime is 74431984923869. The reversal of 74431984923867 is 76832948913447.

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 74431984923867 - 2¹⁶ = 74431984858331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74431984923869) 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, 5878884 + ... + 13543457.

It is an arithmetic number, because the mean of its divisors is an integer number (12405341170530).

Almost surely, 2^{74431984923867} is an apocalyptic number.

74431984923867 is a deficient number, since it is larger than the sum of its proper divisors (24810744440373).

74431984923867 is a wasteful number, since it uses less digits than its factorization.

74431984923867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20699773.

The product of its digits is 1755758592, while the sum is 75.

The spelling of 74431984923867 in words is "seventy-four trillion, four hundred thirty-one billion, nine hundred eighty-four million, nine hundred twenty-three thousand, eight hundred sixty-seven".