74632603221 has 12 divisors (see below), whose sum is σ = 117602890080. Its totient is φ = 45231880680.

The previous prime is 74632603219. The next prime is 74632603237. The reversal of 74632603221 is 12230623647.

74632603221 is a `hidden beast` number, since 7 + 4 + 6 + 326 + 0 + 322 + 1 = 666.

It is not a de Polignac number, because 74632603221 - 2¹ = 74632603219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74632603121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376932241 + ... + 376932438.

It is an arithmetic number, because the mean of its divisors is an integer number (9800240840).

Almost surely, 2^74632603221 is an apocalyptic number.

It is an amenable number.

74632603221 is a deficient number, since it is larger than the sum of its proper divisors (42970286859).

74632603221 is a wasteful number, since it uses less digits than its factorization.

74632603221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753864696 (or 753864693 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 74632603221 in words is "seventy-four billion, six hundred thirty-two million, six hundred three thousand, two hundred twenty-one".