74404233240447 has 32 divisors (see below), whose sum is σ = 113924122583040. Its totient is φ = 42718721868000.

The previous prime is 74404233240437. The next prime is 74404233240457.

74404233240447 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (74404233240437) and next prime (74404233240457).

It is not a de Polignac number, because 74404233240447 - 2²² = 74404229046143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74404233240396 and 74404233240405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74404233240437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17171922 + ... + 21063792.

It is an arithmetic number, because the mean of its divisors is an integer number (3560128830720).

Almost surely, 2^{74404233240447} is an apocalyptic number.

74404233240447 is a deficient number, since it is larger than the sum of its proper divisors (39519889342593).

74404233240447 is a wasteful number, since it uses less digits than its factorization.

74404233240447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922395.

The product of its (nonzero) digits is 7225344, while the sum is 48.

The spelling of 74404233240447 in words is "seventy-four trillion, four hundred four billion, two hundred thirty-three million, two hundred forty thousand, four hundred forty-seven".