74090077 has 2 divisors, whose sum is σ = 74090078. Its totient is φ = 74090076.

The previous prime is 74089979. The next prime is 74090083. The reversal of 74090077 is 77009047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64224196 + 9865881 = 8014^2 + 3141^2 .

It is a cyclic number.

It is not a de Polignac number, because 74090077 - 2¹¹ = 74088029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74090087) 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, 37045038 + 37045039.

It is an arithmetic number, because the mean of its divisors is an integer number (37045039).

Almost surely, 2^74090077 is an apocalyptic number.

It is an amenable number.

74090077 is a deficient number, since it is larger than the sum of its proper divisors (1).

74090077 is an equidigital number, since it uses as much as digits as its factorization.

74090077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 74090077 is about 8607.5592940159. The cubic root of 74090077 is about 420.0039247555.

The spelling of 74090077 in words is "seventy-four million, ninety thousand, seventy-seven".