74413594021 has 8 divisors (see below), whose sum is σ = 80189141760. Its totient is φ = 68645392752.

The previous prime is 74413594001. The next prime is 74413594033. The reversal of 74413594021 is 12049531447.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74413594021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74413594001) 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, 1815565 + ... + 1856098.

It is an arithmetic number, because the mean of its divisors is an integer number (10023642720).

Almost surely, 2^74413594021 is an apocalyptic number.

It is an amenable number.

74413594021 is a deficient number, since it is larger than the sum of its proper divisors (5775547739).

74413594021 is a wasteful number, since it uses less digits than its factorization.

74413594021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673235.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 74413594021 in words is "seventy-four billion, four hundred thirteen million, five hundred ninety-four thousand, twenty-one".