74335081 has 2 divisors, whose sum is σ = 74335082. Its totient is φ = 74335080.

The previous prime is 74335073. The next prime is 74335133. The reversal of 74335081 is 18053347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54834025 + 19501056 = 7405^2 + 4416^2 .

It is a cyclic number.

It is not a de Polignac number, because 74335081 - 2³ = 74335073 is a prime.

It is a super-2 number, since 2×74335081² = 11051408534553122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74335061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37167540 + 37167541.

It is an arithmetic number, because the mean of its divisors is an integer number (37167541).

Almost surely, 2^74335081 is an apocalyptic number.

It is an amenable number.

74335081 is a deficient number, since it is larger than the sum of its proper divisors (1).

74335081 is an equidigital number, since it uses as much as digits as its factorization.

74335081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 74335081 is about 8621.7794567015. The cubic root of 74335081 is about 420.4663772464.

The spelling of 74335081 in words is "seventy-four million, three hundred thirty-five thousand, eighty-one".