74320231066 has 8 divisors (see below), whose sum is σ = 118038014100. Its totient is φ = 34974226368.

The previous prime is 74320231043. The next prime is 74320231099. The reversal of 74320231066 is 66013202347.

It can be written as a sum of positive squares in 2 ways, for example, as 63392664841 + 10927566225 = 251779^2 + 104535^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 2185889149 = 74320231066 / (7 + 4 + 3 + 2 + 0 + 2 + 3 + 1 + 0 + 6 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092944541 + ... + 1092944608.

Almost surely, 2^74320231066 is an apocalyptic number.

74320231066 is a deficient number, since it is larger than the sum of its proper divisors (43717783034).

74320231066 is a wasteful number, since it uses less digits than its factorization.

74320231066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185889168.

The product of its (nonzero) digits is 36288, while the sum is 34.

The spelling of 74320231066 in words is "seventy-four billion, three hundred twenty million, two hundred thirty-one thousand, sixty-six".