74450942405 has 32 divisors (see below), whose sum is σ = 102588979200. Its totient is φ = 50810110272.

The previous prime is 74450942329. The next prime is 74450942437. The reversal of 74450942405 is 50424905447.

It is a cyclic number.

It is not a de Polignac number, because 74450942405 - 2³⁴ = 57271073221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9098606 + ... + 9106784.

It is an arithmetic number, because the mean of its divisors is an integer number (3205905600).

Almost surely, 2^74450942405 is an apocalyptic number.

It is an amenable number.

74450942405 is a deficient number, since it is larger than the sum of its proper divisors (28138036795).

74450942405 is a wasteful number, since it uses less digits than its factorization.

74450942405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9393.

The product of its (nonzero) digits is 806400, while the sum is 44.

Adding to 74450942405 its sum of digits (44), we get a square (74450942449 = 272857²).

The spelling of 74450942405 in words is "seventy-four billion, four hundred fifty million, nine hundred forty-two thousand, four hundred five".