74973446517 has 8 divisors (see below), whose sum is σ = 100935125824. Its totient is φ = 49497032448.

The previous prime is 74973446503. The next prime is 74973446533. The reversal of 74973446517 is 71564437947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74973446517 - 2⁷ = 74973446389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74973406517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121315948 + ... + 121316565.

It is an arithmetic number, because the mean of its divisors is an integer number (12616890728).

Almost surely, 2^74973446517 is an apocalyptic number.

It is an amenable number.

74973446517 is a deficient number, since it is larger than the sum of its proper divisors (25961679307).

74973446517 is a wasteful number, since it uses less digits than its factorization.

74973446517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242632619.

The product of its digits is 17781120, while the sum is 57.

The spelling of 74973446517 in words is "seventy-four billion, nine hundred seventy-three million, four hundred forty-six thousand, five hundred seventeen".