74609444 has 36 divisors (see below), whose sum is σ = 161590464. Its totient is φ = 29513952.

The previous prime is 74609443. The next prime is 74609449. The reversal of 74609444 is 44490647.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74609398 and 74609407.

It is not an unprimeable number, because it can be changed into a prime (74609443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3152 + ... + 12615.

It is an arithmetic number, because the mean of its divisors is an integer number (4488624).

Almost surely, 2^74609444 is an apocalyptic number.

It is an amenable number.

74609444 is an abundant number, since it is smaller than the sum of its proper divisors (86981020).

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

74609444 is a wasteful number, since it uses less digits than its factorization.

74609444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15804 (or 15789 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 74609444 is about 8637.6758448092. The cubic root of 74609444 is about 420.9830412391.

The spelling of 74609444 in words is "seventy-four million, six hundred nine thousand, four hundred forty-four".