71225982 has 12 divisors (see below), whose sum is σ = 154323000. Its totient is φ = 23741988.

The previous prime is 71225953. The next prime is 71225989. The reversal of 71225982 is 28952217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71225989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1978482 + ... + 1978517.

It is an arithmetic number, because the mean of its divisors is an integer number (12860250).

Almost surely, 2^71225982 is an apocalyptic number.

71225982 is an abundant number, since it is smaller than the sum of its proper divisors (83097018).

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

71225982 is a wasteful number, since it uses less digits than its factorization.

71225982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957007 (or 3957004 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 71225982 is about 8439.5486846158. The cubic root of 71225982 is about 414.5206290482.

The spelling of 71225982 in words is "seventy-one million, two hundred twenty-five thousand, nine hundred eighty-two".