74671042 has 4 divisors (see below), whose sum is σ = 112006566. Its totient is φ = 37335520.

The previous prime is 74671019. The next prime is 74671061. The reversal of 74671042 is 24017647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24017647 = 1733 ⋅13859.

It can be written as a sum of positive squares in only one way, i.e., 67223601 + 7447441 = 8199^2 + 2729^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 74670995 and 74671013.

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, 18667759 + ... + 18667762.

Almost surely, 2^74671042 is an apocalyptic number.

74671042 is a deficient number, since it is larger than the sum of its proper divisors (37335524).

74671042 is a wasteful number, since it uses less digits than its factorization.

74671042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37335523.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 74671042 is about 8641.2407673898. The cubic root of 74671042 is about 421.0988647363.

Adding to 74671042 its reverse (24017647), we get a palindrome (98688689).

The spelling of 74671042 in words is "seventy-four million, six hundred seventy-one thousand, forty-two".