74209241 has 2 divisors, whose sum is σ = 74209242. Its totient is φ = 74209240.

The previous prime is 74209229. The next prime is 74209243. The reversal of 74209241 is 14290247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74046025 + 163216 = 8605^2 + 404^2 .

It is a cyclic number.

It is not a de Polignac number, because 74209241 - 2¹⁰ = 74208217 is a prime.

It is a super-2 number, since 2×74209241² = 11014022899592162, which contains 22 as substring.

Together with 74209243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74209243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37104620 + 37104621.

It is an arithmetic number, because the mean of its divisors is an integer number (37104621).

Almost surely, 2^74209241 is an apocalyptic number.

It is an amenable number.

74209241 is a deficient number, since it is larger than the sum of its proper divisors (1).

74209241 is an equidigital number, since it uses as much as digits as its factorization.

74209241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 74209241 is about 8614.4785680852. The cubic root of 74209241 is about 420.2289775610.

Adding to 74209241 its reverse (14290247), we get a palindrome (88499488).

It can be divided in two parts, 7420 and 9241, that added together give a palindrome (16661).

The spelling of 74209241 in words is "seventy-four million, two hundred nine thousand, two hundred forty-one".