74940241 has 2 divisors, whose sum is σ = 74940242. Its totient is φ = 74940240.

The previous prime is 74940227. The next prime is 74940277. The reversal of 74940241 is 14204947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47900241 + 27040000 = 6921^2 + 5200^2 .

It is an emirp because it is prime and its reverse (14204947) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74940241 is a prime.

It is a super-2 number, since 2×74940241² = 11232079442276162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74940211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37470120 + 37470121.

It is an arithmetic number, because the mean of its divisors is an integer number (37470121).

Almost surely, 2^74940241 is an apocalyptic number.

It is an amenable number.

74940241 is a deficient number, since it is larger than the sum of its proper divisors (1).

74940241 is an equidigital number, since it uses as much as digits as its factorization.

74940241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 74940241 is about 8656.8031628310. The cubic root of 74940241 is about 421.6042969058.

The spelling of 74940241 in words is "seventy-four million, nine hundred forty thousand, two hundred forty-one".