74245854247 has 16 divisors (see below), whose sum is σ = 79946782272. Its totient is φ = 68698685440.

The previous prime is 74245854229. The next prime is 74245854251.

74245854247 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 74245854247 - 2¹⁹ = 74245329959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74245854194 and 74245854203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74245854227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338943 + ... + 513199.

It is an arithmetic number, because the mean of its divisors is an integer number (4996673892).

Almost surely, 2^74245854247 is an apocalyptic number.

74245854247 is a deficient number, since it is larger than the sum of its proper divisors (5700928025).

74245854247 is a wasteful number, since it uses less digits than its factorization.

74245854247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174698.

The product of its digits is 10035200, while the sum is 52.

The spelling of 74245854247 in words is "seventy-four billion, two hundred forty-five million, eight hundred fifty-four thousand, two hundred forty-seven".