74134771 has 2 divisors, whose sum is σ = 74134772. Its totient is φ = 74134770.

The previous prime is 74134769. The next prime is 74134787. The reversal of 74134771 is 17743147.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74134771 - 2¹ = 74134769 is a prime.

Together with 74134769, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (74134871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37067385 + 37067386.

It is an arithmetic number, because the mean of its divisors is an integer number (37067386).

Almost surely, 2^74134771 is an apocalyptic number.

74134771 is a deficient number, since it is larger than the sum of its proper divisors (1).

74134771 is an equidigital number, since it uses as much as digits as its factorization.

74134771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16464, while the sum is 34.

The square root of 74134771 is about 8610.1551089397. The cubic root of 74134771 is about 420.0883619831.

The spelling of 74134771 in words is "seventy-four million, one hundred thirty-four thousand, seven hundred seventy-one".