74408077 has 2 divisors, whose sum is σ = 74408078. Its totient is φ = 74408076.

The previous prime is 74408063. The next prime is 74408101. The reversal of 74408077 is 77080447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74321641 + 86436 = 8621^2 + 294^2 .

It is a cyclic number.

It is not a de Polignac number, because 74408077 - 2²³ = 66019469 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74408057) 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, 37204038 + 37204039.

It is an arithmetic number, because the mean of its divisors is an integer number (37204039).

Almost surely, 2^74408077 is an apocalyptic number.

It is an amenable number.

74408077 is a deficient number, since it is larger than the sum of its proper divisors (1).

74408077 is an equidigital number, since it uses as much as digits as its factorization.

74408077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 74408077 is about 8626.0116508152. The cubic root of 74408077 is about 420.6039629025.

The spelling of 74408077 in words is "seventy-four million, four hundred eight thousand, seventy-seven".