74383261 has 2 divisors, whose sum is σ = 74383262. Its totient is φ = 74383260.

The previous prime is 74383237. The next prime is 74383301. The reversal of 74383261 is 16238347.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74287161 + 96100 = 8619^2 + 310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74383261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74380261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37191630 + 37191631.

It is an arithmetic number, because the mean of its divisors is an integer number (37191631).

Almost surely, 2^74383261 is an apocalyptic number.

It is an amenable number.

74383261 is a deficient number, since it is larger than the sum of its proper divisors (1).

74383261 is an equidigital number, since it uses as much as digits as its factorization.

74383261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 74383261 is about 8624.5730908840. The cubic root of 74383261 is about 420.5571988551.

The spelling of 74383261 in words is "seventy-four million, three hundred eighty-three thousand, two hundred sixty-one".