74089242 has 48 divisors (see below), whose sum is σ = 167704992. Its totient is φ = 24513840.

The previous prime is 74089237. The next prime is 74089259. The reversal of 74089242 is 24298047.

74089242 is a `hidden beast` number, since 7 + 408 + 9 + 242 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 74089197 and 74089206.

It is an unprimeable number.

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, 75817 + ... + 76787.

It is an arithmetic number, because the mean of its divisors is an integer number (3493854).

Almost surely, 2^74089242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74089242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83852496).

74089242 is an abundant number, since it is smaller than the sum of its proper divisors (93615750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74089242 is a wasteful number, since it uses less digits than its factorization.

74089242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 74089242 is about 8607.5107900020. The cubic root of 74089242 is about 420.0023469257.

The spelling of 74089242 in words is "seventy-four million, eighty-nine thousand, two hundred forty-two".