74332442 has 4 divisors (see below), whose sum is σ = 111498666. Its totient is φ = 37166220.

The previous prime is 74332429. The next prime is 74332471. The reversal of 74332442 is 24423347.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50993881 + 23338561 = 7141^2 + 4831^2 .

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 as a sum of consecutive naturals, namely, 18583109 + ... + 18583112.

Almost surely, 2^74332442 is an apocalyptic number.

74332442 is a deficient number, since it is larger than the sum of its proper divisors (37166224).

74332442 is a wasteful number, since it uses less digits than its factorization.

74332442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37166223.

The product of its digits is 16128, while the sum is 29.

The square root of 74332442 is about 8621.6264126904. The cubic root of 74332442 is about 420.4614014715.

Adding to 74332442 its reverse (24423347), we get a palindrome (98755789).

The spelling of 74332442 in words is "seventy-four million, three hundred thirty-two thousand, four hundred forty-two".