74232149 has 8 divisors (see below), whose sum is σ = 78674328. Its totient is φ = 69798400.

The previous prime is 74232139. The next prime is 74232157. The reversal of 74232149 is 94123247.

It can be written as a sum of positive squares in 4 ways, for example, as 5640625 + 68591524 = 2375^2 + 8282^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74232149 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 (74232139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31169 + ... + 33465.

It is an arithmetic number, because the mean of its divisors is an integer number (9834291).

Almost surely, 2^74232149 is an apocalyptic number.

It is an amenable number.

74232149 is a deficient number, since it is larger than the sum of its proper divisors (4442179).

74232149 is a wasteful number, since it uses less digits than its factorization.

74232149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4215.

The product of its digits is 12096, while the sum is 32.

The square root of 74232149 is about 8615.8080874634. The cubic root of 74232149 is about 420.2722139329.

The spelling of 74232149 in words is "seventy-four million, two hundred thirty-two thousand, one hundred forty-nine".