74634018 has 8 divisors (see below), whose sum is σ = 149268048. Its totient is φ = 24878004.

The previous prime is 74633989. The next prime is 74634037. The reversal of 74634018 is 81043647.

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

74634018 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 74634018.

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, 6219496 + ... + 6219507.

It is an arithmetic number, because the mean of its divisors is an integer number (18658506).

Almost surely, 2^74634018 is an apocalyptic number.

74634018 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.

74634018 is a wasteful number, since it uses less digits than its factorization.

74634018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12439008.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 74634018 is about 8639.0982168280. The cubic root of 74634018 is about 421.0292556820.

The spelling of 74634018 in words is "seventy-four million, six hundred thirty-four thousand, eighteen".