74623271 has 2 divisors, whose sum is σ = 74623272. Its totient is φ = 74623270.

The previous prime is 74623267. The next prime is 74623303. The reversal of 74623271 is 17232647.

It is an a-pointer prime, because the next prime (74623303) can be obtained adding 74623271 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74623271 - 2² = 74623267 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74623261) 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, 37311635 + 37311636.

It is an arithmetic number, because the mean of its divisors is an integer number (37311636).

Almost surely, 2^74623271 is an apocalyptic number.

74623271 is a deficient number, since it is larger than the sum of its proper divisors (1).

74623271 is an equidigital number, since it uses as much as digits as its factorization.

74623271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 74623271 is about 8638.4761966449. The cubic root of 74623271 is about 421.0090458691.

The spelling of 74623271 in words is "seventy-four million, six hundred twenty-three thousand, two hundred seventy-one".