74233986 has 8 divisors (see below), whose sum is σ = 148467984. Its totient is φ = 24744660.

The previous prime is 74233981. The next prime is 74233993. The reversal of 74233986 is 68933247.

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

74233986 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (74233981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6186160 + ... + 6186171.

It is an arithmetic number, because the mean of its divisors is an integer number (18558498).

Almost surely, 2^74233986 is an apocalyptic number.

74233986 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.

74233986 is a wasteful number, since it uses less digits than its factorization.

74233986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12372336.

The product of its digits is 217728, while the sum is 42.

The square root of 74233986 is about 8615.9146931710. The cubic root of 74233986 is about 420.2756806864.

The spelling of 74233986 in words is "seventy-four million, two hundred thirty-three thousand, nine hundred eighty-six".