74272441 has 8 divisors (see below), whose sum is σ = 75734984. Its totient is φ = 72817920.

The previous prime is 74272423. The next prime is 74272447. The reversal of 74272441 is 14427247.

It can be written as a sum of positive squares in 4 ways, for example, as 11799225 + 62473216 = 3435^2 + 7904^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74272441 - 2⁵ = 74272409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74272447) 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, 18751 + ... + 22363.

It is an arithmetic number, because the mean of its divisors is an integer number (9466873).

Almost surely, 2^74272441 is an apocalyptic number.

It is an amenable number.

74272441 is a deficient number, since it is larger than the sum of its proper divisors (1462543).

74272441 is a wasteful number, since it uses less digits than its factorization.

74272441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011.

The product of its digits is 12544, while the sum is 31.

The square root of 74272441 is about 8618.1460303246. The cubic root of 74272441 is about 420.3482391476.

Adding to 74272441 its reverse (14427247), we get a palindrome (88699688).

The spelling of 74272441 in words is "seventy-four million, two hundred seventy-two thousand, four hundred forty-one".