71081082 has 24 divisors (see below), whose sum is σ = 156180960. Its totient is φ = 23359560.

The previous prime is 71081057. The next prime is 71081083. The reversal of 71081082 is 28018017.

It is not an unprimeable number, because it can be changed into a prime (71081083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26532 + ... + 29087.

It is an arithmetic number, because the mean of its divisors is an integer number (6507540).

Almost surely, 2^71081082 is an apocalyptic number.

71081082 is an abundant number, since it is smaller than the sum of its proper divisors (85099878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71081082 is a wasteful number, since it uses less digits than its factorization.

71081082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55698 (or 55695 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 71081082 is about 8430.9597318455. The cubic root of 71081082 is about 414.2393421059.

Adding to 71081082 its reverse (28018017), we get a palindrome (99099099).

The spelling of 71081082 in words is "seventy-one million, eighty-one thousand, eighty-two".