74232946031221 has 32 divisors (see below), whose sum is σ = 77033009571840. Its totient is φ = 71490358757376.

The previous prime is 74232946031183. The next prime is 74232946031261. The reversal of 74232946031221 is 12213064923247.

It is a cyclic number.

It is not a de Polignac number, because 74232946031221 - 2⁷ = 74232946031093 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 (74232946031261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1506417435 + ... + 1506466711.

It is an arithmetic number, because the mean of its divisors is an integer number (2407281549120).

Almost surely, 2^{74232946031221} is an apocalyptic number.

It is an amenable number.

74232946031221 is a deficient number, since it is larger than the sum of its proper divisors (2800063540619).

74232946031221 is a wasteful number, since it uses less digits than its factorization.

74232946031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50773.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 74232946031221 in words is "seventy-four trillion, two hundred thirty-two billion, nine hundred forty-six million, thirty-one thousand, two hundred twenty-one".