71219882 has 8 divisors (see below), whose sum is σ = 110513700. Its totient is φ = 34381984.

The previous prime is 71219881. The next prime is 71219921. The reversal of 71219882 is 28891217.

It can be written as a sum of positive squares in 2 ways, for example, as 70375321 + 844561 = 8389^2 + 919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (71219881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613907 + ... + 614022.

Almost surely, 2^71219882 is an apocalyptic number.

71219882 is a deficient number, since it is larger than the sum of its proper divisors (39293818).

71219882 is a wasteful number, since it uses less digits than its factorization.

71219882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227960.

The product of its digits is 16128, while the sum is 38.

The square root of 71219882 is about 8439.1872831452. The cubic root of 71219882 is about 414.5087951268.

The spelling of 71219882 in words is "seventy-one million, two hundred nineteen thousand, eight hundred eighty-two".