74249018 has 8 divisors (see below), whose sum is σ = 111483840. Its totient is φ = 37087740.

The previous prime is 74249011. The next prime is 74249027. The reversal of 74249018 is 81094247.

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 (74249011) 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, 15788 + ... + 19943.

It is an arithmetic number, because the mean of its divisors is an integer number (13935480).

Almost surely, 2^74249018 is an apocalyptic number.

74249018 is a deficient number, since it is larger than the sum of its proper divisors (37234822).

74249018 is a wasteful number, since it uses less digits than its factorization.

74249018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36772.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 74249018 is about 8616.7869881993. The cubic root of 74249018 is about 420.3040466591.

The spelling of 74249018 in words is "seventy-four million, two hundred forty-nine thousand, eighteen".