74146818 has 8 divisors (see below), whose sum is σ = 148293648. Its totient is φ = 24715604.

The previous prime is 74146789. The next prime is 74146829. The reversal of 74146818 is 81864147.

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

74146818 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6178896 + ... + 6178907.

It is an arithmetic number, because the mean of its divisors is an integer number (18536706).

Almost surely, 2^74146818 is an apocalyptic number.

74146818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74146818 is a wasteful number, since it uses less digits than its factorization.

74146818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12357808.

The product of its digits is 43008, while the sum is 39.

The square root of 74146818 is about 8610.8546614143. The cubic root of 74146818 is about 420.1111157252. Note that the first 5 decimals are identical.

The spelling of 74146818 in words is "seventy-four million, one hundred forty-six thousand, eight hundred eighteen".