74303032421 has 16 divisors (see below), whose sum is σ = 82240458624. Its totient is φ = 66772721664.

The previous prime is 74303032417. The next prime is 74303032459. The reversal of 74303032421 is 12423030347.

It is a cyclic number.

It is not a de Polignac number, because 74303032421 - 2² = 74303032417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74303032471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51365 + ... + 388901.

It is an arithmetic number, because the mean of its divisors is an integer number (5140028664).

Almost surely, 2^74303032421 is an apocalyptic number.

It is an amenable number.

74303032421 is a deficient number, since it is larger than the sum of its proper divisors (7937426203).

74303032421 is a wasteful number, since it uses less digits than its factorization.

74303032421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338140.

The product of its (nonzero) digits is 12096, while the sum is 29.

Adding to 74303032421 its reverse (12423030347), we get a palindrome (86726062768).

The spelling of 74303032421 in words is "seventy-four billion, three hundred three million, thirty-two thousand, four hundred twenty-one".