74413678 has 4 divisors (see below), whose sum is σ = 111620520. Its totient is φ = 37206838.

The previous prime is 74413673. The next prime is 74413687. The reversal of 74413678 is 87631447.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 74413678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74413673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18603418 + ... + 18603421.

It is an arithmetic number, because the mean of its divisors is an integer number (27905130).

Almost surely, 2^74413678 is an apocalyptic number.

74413678 is a deficient number, since it is larger than the sum of its proper divisors (37206842).

74413678 is a wasteful number, since it uses less digits than its factorization.

74413678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37206841.

The product of its digits is 112896, while the sum is 40.

The square root of 74413678 is about 8626.3363022780. The cubic root of 74413678 is about 420.6145161640.

The spelling of 74413678 in words is "seventy-four million, four hundred thirteen thousand, six hundred seventy-eight".