74423335918 has 4 divisors (see below), whose sum is σ = 111635003880. Its totient is φ = 37211667958.

The previous prime is 74423335891. The next prime is 74423335919. The reversal of 74423335918 is 81953332447.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74423335919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18605833978 + ... + 18605833981.

It is an arithmetic number, because the mean of its divisors is an integer number (27908750970).

Almost surely, 2^74423335918 is an apocalyptic number.

74423335918 is a deficient number, since it is larger than the sum of its proper divisors (37211667962).

74423335918 is a wasteful number, since it uses less digits than its factorization.

74423335918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37211667961.

The product of its digits is 2177280, while the sum is 49.

The spelling of 74423335918 in words is "seventy-four billion, four hundred twenty-three million, three hundred thirty-five thousand, nine hundred eighteen".