74545407223 has 16 divisors (see below), whose sum is σ = 86639625216. Its totient is φ = 62817511680.

The previous prime is 74545407187. The next prime is 74545407247. The reversal of 74545407223 is 32270454547.

It is not a de Polignac number, because 74545407223 - 2⁹ = 74545406711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74545407223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74545407263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37011 + ... + 387892.

It is an arithmetic number, because the mean of its divisors is an integer number (5414976576).

Almost surely, 2^74545407223 is an apocalyptic number.

74545407223 is a deficient number, since it is larger than the sum of its proper divisors (12094217993).

74545407223 is a wasteful number, since it uses less digits than its factorization.

74545407223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425334.

The product of its (nonzero) digits is 940800, while the sum is 43.

The spelling of 74545407223 in words is "seventy-four billion, five hundred forty-five million, four hundred seven thousand, two hundred twenty-three".