74434027 has 2 divisors, whose sum is σ = 74434028. Its totient is φ = 74434026.

The previous prime is 74433991. The next prime is 74434033. The reversal of 74434027 is 72043447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74434027 - 2¹⁵ = 74401259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74434027.

It is not a weakly prime, because it can be changed into another prime (74434427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37217013 + 37217014.

It is an arithmetic number, because the mean of its divisors is an integer number (37217014).

Almost surely, 2^74434027 is an apocalyptic number.

74434027 is a deficient number, since it is larger than the sum of its proper divisors (1).

74434027 is an equidigital number, since it uses as much as digits as its factorization.

74434027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 74434027 is about 8627.5156910898. The cubic root of 74434027 is about 420.6528527752.

The spelling of 74434027 in words is "seventy-four million, four hundred thirty-four thousand, twenty-seven".