74018618 has 8 divisors (see below), whose sum is σ = 111073140. Its totient is φ = 36994240.

The previous prime is 74018617. The next prime is 74018639. The reversal of 74018618 is 81681047.

It can be written as a sum of positive squares in 2 ways, for example, as 53831569 + 20187049 = 7337^2 + 4493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (74018617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188 + ... + 12168.

Almost surely, 2^74018618 is an apocalyptic number.

74018618 is a deficient number, since it is larger than the sum of its proper divisors (37054522).

74018618 is a wasteful number, since it uses less digits than its factorization.

74018618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15072.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 74018618 is about 8603.4073482545. The cubic root of 74018618 is about 419.8688517204.

The spelling of 74018618 in words is "seventy-four million, eighteen thousand, six hundred eighteen".