74144441 has 16 divisors (see below), whose sum is σ = 91378560. Its totient is φ = 58734720.

The previous prime is 74144383. The next prime is 74144449. The reversal of 74144441 is 14444147.

It is a cyclic number.

It is not a de Polignac number, because 74144441 - 2²⁶ = 7035577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74144449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1346 + ... + 12251.

It is an arithmetic number, because the mean of its divisors is an integer number (5711160).

Almost surely, 2^74144441 is an apocalyptic number.

It is an amenable number.

74144441 is a deficient number, since it is larger than the sum of its proper divisors (17234119).

74144441 is a wasteful number, since it uses less digits than its factorization.

74144441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13664.

The product of its digits is 7168, while the sum is 29.

The square root of 74144441 is about 8610.7166368427. The cubic root of 74144441 is about 420.1066263674.

Adding to 74144441 its reverse (14444147), we get a palindrome (88588588).

The spelling of 74144441 in words is "seventy-four million, one hundred forty-four thousand, four hundred forty-one".