74845054847 has 16 divisors (see below), whose sum is σ = 79680865920. Its totient is φ = 70100964000.

The previous prime is 74845054831. The next prime is 74845054901.

74845054847 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 74845054847 - 2⁴ = 74845054831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74845054792 and 74845054801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74845354847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297808 + ... + 1354250.

It is an arithmetic number, because the mean of its divisors is an integer number (4980054120).

Almost surely, 2^74845054847 is an apocalyptic number.

74845054847 is a deficient number, since it is larger than the sum of its proper divisors (4835811073).

74845054847 is a wasteful number, since it uses less digits than its factorization.

74845054847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57254.

The product of its (nonzero) digits is 20070400, while the sum is 56.

The spelling of 74845054847 in words is "seventy-four billion, eight hundred forty-five million, fifty-four thousand, eight hundred forty-seven".