74183438147 has 32 divisors (see below), whose sum is σ = 92935019520. Its totient is φ = 57651431040.

The previous prime is 74183438143. The next prime is 74183438179.

74183438147 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74183438147 - 2² = 74183438143 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 74183438095 and 74183438104.

It is not an unprimeable number, because it can be changed into a prime (74183438143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1716668 + ... + 1759350.

It is an arithmetic number, because the mean of its divisors is an integer number (2904219360).

Almost surely, 2^74183438147 is an apocalyptic number.

74183438147 is a deficient number, since it is larger than the sum of its proper divisors (18751581373).

74183438147 is a wasteful number, since it uses less digits than its factorization.

74183438147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43043.

The product of its digits is 1806336, while the sum is 50.

The spelling of 74183438147 in words is "seventy-four billion, one hundred eighty-three million, four hundred thirty-eight thousand, one hundred forty-seven".