74613871 has 2 divisors, whose sum is σ = 74613872. Its totient is φ = 74613870.

The previous prime is 74613859. The next prime is 74613881. The reversal of 74613871 is 17831647.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74613871 - 2⁷ = 74613743 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74613871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74613881) 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, 37306935 + 37306936.

It is an arithmetic number, because the mean of its divisors is an integer number (37306936).

Almost surely, 2^74613871 is an apocalyptic number.

74613871 is a deficient number, since it is larger than the sum of its proper divisors (1).

74613871 is an equidigital number, since it uses as much as digits as its factorization.

74613871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 74613871 is about 8637.9321020717. The cubic root of 74613871 is about 420.9913675088.

The spelling of 74613871 in words is "seventy-four million, six hundred thirteen thousand, eight hundred seventy-one".