74403081 has 6 divisors (see below), whose sum is σ = 107471130. Its totient is φ = 49602048.

The previous prime is 74403053. The next prime is 74403083. The reversal of 74403081 is 18030447.

It can be written as a sum of positive squares in only one way, i.e., 50637456 + 23765625 = 7116^2 + 4875^2 .

It is not a de Polignac number, because 74403081 - 2¹⁹ = 73878793 is a prime.

It is a super-2 number, since 2×74403081² = 11071636924585122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74403083) 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 in 5 ways as a sum of consecutive naturals, for example, 4133496 + ... + 4133513.

It is an arithmetic number, because the mean of its divisors is an integer number (17911855).

Almost surely, 2^74403081 is an apocalyptic number.

It is an amenable number.

74403081 is a deficient number, since it is larger than the sum of its proper divisors (33068049).

74403081 is a wasteful number, since it uses less digits than its factorization.

74403081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8267015 (or 8267012 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 74403081 is about 8625.7220567324. The cubic root of 74403081 is about 420.5945491197.

The spelling of 74403081 in words is "seventy-four million, four hundred three thousand, eighty-one".