74409612 has 24 divisors (see below), whose sum is σ = 183836016. Its totient is φ = 23344128.

The previous prime is 74409611. The next prime is 74409631. The reversal of 74409612 is 21690447.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (74409611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182173 + ... + 182580.

It is an arithmetic number, because the mean of its divisors is an integer number (7659834).

Almost surely, 2^74409612 is an apocalyptic number.

It is an amenable number.

74409612 is an abundant number, since it is smaller than the sum of its proper divisors (109426404).

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

74409612 is a wasteful number, since it uses less digits than its factorization.

74409612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364777 (or 364775 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 74409612 is about 8626.1006254275. The cubic root of 74409612 is about 420.6068551631.

The spelling of 74409612 in words is "seventy-four million, four hundred nine thousand, six hundred twelve".