71874823 has 2 divisors, whose sum is σ = 71874824. Its totient is φ = 71874822.

The previous prime is 71874811. The next prime is 71874857. The reversal of 71874823 is 32847817.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71874823 - 2²⁵ = 38320391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71874323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35937411 + 35937412.

It is an arithmetic number, because the mean of its divisors is an integer number (35937412).

Almost surely, 2^71874823 is an apocalyptic number.

71874823 is a deficient number, since it is larger than the sum of its proper divisors (1).

71874823 is an equidigital number, since it uses as much as digits as its factorization.

71874823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 40.

The square root of 71874823 is about 8477.9020400097. The cubic root of 71874823 is about 415.7755334121.

The spelling of 71874823 in words is "seventy-one million, eight hundred seventy-four thousand, eight hundred twenty-three".