74021350634245 has 16 divisors (see below), whose sum is σ = 102520094122368. Its totient is φ = 50254948094400.

The previous prime is 74021350634233. The next prime is 74021350634249. The reversal of 74021350634245 is 54243605312047.

It is not a de Polignac number, because 74021350634245 - 2⁷ = 74021350634117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74021350634195 and 74021350634204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74021350634249) 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, 10469777319 + ... + 10469784388.

It is an arithmetic number, because the mean of its divisors is an integer number (6407505882648).

Almost surely, 2^{74021350634245} is an apocalyptic number.

It is an amenable number.

74021350634245 is a deficient number, since it is larger than the sum of its proper divisors (28498743488123).

74021350634245 is a wasteful number, since it uses less digits than its factorization.

74021350634245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20939561820.

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 74021350634245 in words is "seventy-four trillion, twenty-one billion, three hundred fifty million, six hundred thirty-four thousand, two hundred forty-five".