74260378123 has 4 divisors (see below), whose sum is σ = 74733374320. Its totient is φ = 73787381928.

The previous prime is 74260378111. The next prime is 74260378249. The reversal of 74260378123 is 32187306247.

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 74260378123 - 2¹⁷ = 74260247051 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 74260378123.

It is not an unprimeable number, because it can be changed into a prime (74260378723) 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, 236497863 + ... + 236498176.

It is an arithmetic number, because the mean of its divisors is an integer number (18683343580).

Almost surely, 2^74260378123 is an apocalyptic number.

74260378123 is a deficient number, since it is larger than the sum of its proper divisors (472996197).

74260378123 is a wasteful number, since it uses less digits than its factorization.

74260378123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472996196.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 74260378123 in words is "seventy-four billion, two hundred sixty million, three hundred seventy-eight thousand, one hundred twenty-three".