71882469 has 12 divisors (see below), whose sum is σ = 105789996. Its totient is φ = 47017152.

The previous prime is 71882441. The next prime is 71882497. The reversal of 71882469 is 96428817.

71882469 is a `hidden beast` number, since 7 + 188 + 2 + 469 = 666.

It is an interprime number because it is at equal distance from previous prime (71882441) and next prime (71882497).

It can be written as a sum of positive squares in 2 ways, for example, as 55577025 + 16305444 = 7455^2 + 4038^2 .

It is not a de Polignac number, because 71882469 - 2¹⁶ = 71816933 is a prime.

It is a super-2 number, since 2×71882469² = 10334178699071922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71882669) 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 in 11 ways as a sum of consecutive naturals, for example, 74872 + ... + 75825.

It is an arithmetic number, because the mean of its divisors is an integer number (8815833).

Almost surely, 2^71882469 is an apocalyptic number.

It is an amenable number.

71882469 is a deficient number, since it is larger than the sum of its proper divisors (33907527).

71882469 is a wasteful number, since it uses less digits than its factorization.

71882469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150756 (or 150753 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 71882469 is about 8478.3529650516. The cubic root of 71882469 is about 415.7902762056.

The spelling of 71882469 in words is "seventy-one million, eight hundred eighty-two thousand, four hundred sixty-nine".