74427118 has 4 divisors (see below), whose sum is σ = 111640680. Its totient is φ = 37213558.

The previous prime is 74427107. The next prime is 74427127. The reversal of 74427118 is 81172447.

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

It is a congruent number.

It is an unprimeable number.

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, 18606778 + ... + 18606781.

It is an arithmetic number, because the mean of its divisors is an integer number (27910170).

Almost surely, 2^74427118 is an apocalyptic number.

74427118 is a deficient number, since it is larger than the sum of its proper divisors (37213562).

74427118 is a wasteful number, since it uses less digits than its factorization.

74427118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37213561.

The product of its digits is 12544, while the sum is 34.

The square root of 74427118 is about 8627.1152768466. The cubic root of 74427118 is about 420.6398373099.

The spelling of 74427118 in words is "seventy-four million, four hundred twenty-seven thousand, one hundred eighteen".