74213033321 has 8 divisors (see below), whose sum is σ = 84817670784. Its totient is φ = 63609089760.

The previous prime is 74213033287. The next prime is 74213033341. The reversal of 74213033321 is 12333031247.

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

It is a cyclic number.

It is not a de Polignac number, because 74213033321 - 2³⁰ = 73139291497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74213033341) 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, 80501 + ... + 393581.

It is an arithmetic number, because the mean of its divisors is an integer number (10602208848).

Almost surely, 2^74213033321 is an apocalyptic number.

It is an amenable number.

74213033321 is a deficient number, since it is larger than the sum of its proper divisors (10604637463).

74213033321 is a wasteful number, since it uses less digits than its factorization.

74213033321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346951.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 74213033321 its reverse (12333031247), we get a palindrome (86546064568).

The spelling of 74213033321 in words is "seventy-four billion, two hundred thirteen million, thirty-three thousand, three hundred twenty-one".