74136444 has 24 divisors (see below), whose sum is σ = 175176960. Its totient is φ = 24399024.

The previous prime is 74136443. The next prime is 74136449. The reversal of 74136444 is 44463147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74136443) 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, 38154 + ... + 40049.

It is an arithmetic number, because the mean of its divisors is an integer number (7299040).

Almost surely, 2^74136444 is an apocalyptic number.

It is an amenable number.

74136444 is an abundant number, since it is smaller than the sum of its proper divisors (101040516).

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

74136444 is a wasteful number, since it uses less digits than its factorization.

74136444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78289 (or 78287 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 74136444 is about 8610.2522611129. The cubic root of 74136444 is about 420.0915220051.

The spelling of 74136444 in words is "seventy-four million, one hundred thirty-six thousand, four hundred forty-four".