74330181 has 24 divisors (see below), whose sum is σ = 112432320. Its totient is φ = 47230656.

The previous prime is 74330173. The next prime is 74330183. The reversal of 74330181 is 18103347.

It is not a de Polignac number, because 74330181 - 2³ = 74330173 is a prime.

It is a super-2 number, since 2×74330181² = 11049951614985522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74330183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86305 + ... + 87161.

It is an arithmetic number, because the mean of its divisors is an integer number (4684680).

Almost surely, 2^74330181 is an apocalyptic number.

It is an amenable number.

74330181 is a deficient number, since it is larger than the sum of its proper divisors (38102139).

74330181 is a wasteful number, since it uses less digits than its factorization.

74330181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 74330181 is about 8621.4952879416. The cubic root of 74330181 is about 420.4571383133.

The spelling of 74330181 in words is "seventy-four million, three hundred thirty thousand, one hundred eighty-one".