74089812 has 12 divisors (see below), whose sum is σ = 172876256. Its totient is φ = 24696600.

The previous prime is 74089777. The next prime is 74089819. The reversal of 74089812 is 21898047.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74089819) 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, 3087064 + ... + 3087087.

Almost surely, 2^74089812 is an apocalyptic number.

It is an amenable number.

74089812 is an abundant number, since it is smaller than the sum of its proper divisors (98786444).

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

74089812 is a wasteful number, since it uses less digits than its factorization.

74089812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174158 (or 6174156 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 74089812 is about 8607.5439005561. The cubic root of 74089812 is about 420.0034240084.

The spelling of 74089812 in words is "seventy-four million, eighty-nine thousand, eight hundred twelve".