74386471 has 2 divisors, whose sum is σ = 74386472. Its totient is φ = 74386470.

The previous prime is 74386469. The next prime is 74386483. The reversal of 74386471 is 17468347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74386471 - 2¹ = 74386469 is a prime.

It is a super-3 number, since 3×74386471³ (a number of 25 digits) contains 333 as substring.

Together with 74386469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74386451) 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, 37193235 + 37193236.

It is an arithmetic number, because the mean of its divisors is an integer number (37193236).

Almost surely, 2^74386471 is an apocalyptic number.

74386471 is a deficient number, since it is larger than the sum of its proper divisors (1).

74386471 is an equidigital number, since it uses as much as digits as its factorization.

74386471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 40.

The square root of 74386471 is about 8624.7591850440. The cubic root of 74386471 is about 420.5632484652.

The spelling of 74386471 in words is "seventy-four million, three hundred eighty-six thousand, four hundred seventy-one".