74511441 has 8 divisors (see below), whose sum is σ = 110387360. Its totient is φ = 49674276.

The previous prime is 74511433. The next prime is 74511443. The reversal of 74511441 is 14411547.

It is not a de Polignac number, because 74511441 - 2³ = 74511433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2759683 = 74511441 / (7 + 4 + 5 + 1 + 1 + 4 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74511443) 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, 1379815 + ... + 1379868.

It is an arithmetic number, because the mean of its divisors is an integer number (13798420).

Almost surely, 2^74511441 is an apocalyptic number.

It is an amenable number.

74511441 is a deficient number, since it is larger than the sum of its proper divisors (35875919).

74511441 is a wasteful number, since it uses less digits than its factorization.

74511441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759692 (or 2759686 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 74511441 is about 8632.0009847080. Note that the first 3 decimals coincide. The cubic root of 74511441 is about 420.7986334905.

Adding to 74511441 its reverse (14411547), we get a palindrome (88922988).

The spelling of 74511441 in words is "seventy-four million, five hundred eleven thousand, four hundred forty-one".