74271442 has 16 divisors (see below), whose sum is σ = 129481920. Its totient is φ = 31290768.

The previous prime is 74271403. The next prime is 74271451. The reversal of 74271442 is 24417247.

It is an unprimeable number.

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, 44133 + ... + 45784.

It is an arithmetic number, because the mean of its divisors is an integer number (8092620).

Almost surely, 2^74271442 is an apocalyptic number.

74271442 is a deficient number, since it is larger than the sum of its proper divisors (55210478).

74271442 is a wasteful number, since it uses less digits than its factorization.

74271442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89985.

The product of its digits is 12544, while the sum is 31.

The square root of 74271442 is about 8618.0880710283. The cubic root of 74271442 is about 420.3463545106.

Adding to 74271442 its reverse (24417247), we get a palindrome (98688689).

The spelling of 74271442 in words is "seventy-four million, two hundred seventy-one thousand, four hundred forty-two".