74550811 has 2 divisors, whose sum is σ = 74550812. Its totient is φ = 74550810.

The previous prime is 74550787. The next prime is 74550829. The reversal of 74550811 is 11805547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74550811 - 2⁵ = 74550779 is a prime.

It is not a weakly prime, because it can be changed into another prime (74550841) 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, 37275405 + 37275406.

It is an arithmetic number, because the mean of its divisors is an integer number (37275406).

Almost surely, 2^74550811 is an apocalyptic number.

74550811 is a deficient number, since it is larger than the sum of its proper divisors (1).

74550811 is an equidigital number, since it uses as much as digits as its factorization.

74550811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 74550811 is about 8634.2811513177. The cubic root of 74550811 is about 420.8727336331.

The spelling of 74550811 in words is "seventy-four million, five hundred fifty thousand, eight hundred eleven".