71392422 has 16 divisors (see below), whose sum is σ = 142979760. Its totient is φ = 23764992.

The previous prime is 71392421. The next prime is 71392441. The reversal of 71392422 is 22429317.

It is a self number, because there is not a number n which added to its sum of digits gives 71392422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71392421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3123 + ... + 12350.

It is an arithmetic number, because the mean of its divisors is an integer number (8936235).

Almost surely, 2^71392422 is an apocalyptic number.

71392422 is an abundant number, since it is smaller than the sum of its proper divisors (71587338).

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

71392422 is a wasteful number, since it uses less digits than its factorization.

71392422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16247.

The product of its digits is 6048, while the sum is 30.

The square root of 71392422 is about 8449.4036475955. The cubic root of 71392422 is about 414.8432601102.

The spelling of 71392422 in words is "seventy-one million, three hundred ninety-two thousand, four hundred twenty-two".