71087422 has 8 divisors (see below), whose sum is σ = 121864176. Its totient is φ = 30466032.

The previous prime is 71087413. The next prime is 71087437. The reversal of 71087422 is 22478017.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2538823 + ... + 2538850.

It is an arithmetic number, because the mean of its divisors is an integer number (15233022).

Almost surely, 2^71087422 is an apocalyptic number.

71087422 is a deficient number, since it is larger than the sum of its proper divisors (50776754).

71087422 is a wasteful number, since it uses less digits than its factorization.

71087422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077682.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 71087422 is about 8431.3357186154. The cubic root of 71087422 is about 414.2516576160.

The spelling of 71087422 in words is "seventy-one million, eighty-seven thousand, four hundred twenty-two".