71372422 has 16 divisors (see below), whose sum is σ = 120819600. Its totient is φ = 31323040.

The previous prime is 71372387. The next prime is 71372423. The reversal of 71372422 is 22427317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71372423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55297 + ... + 56572.

It is an arithmetic number, because the mean of its divisors is an integer number (7551225).

Almost surely, 2^71372422 is an apocalyptic number.

71372422 is a deficient number, since it is larger than the sum of its proper divisors (49447178).

71372422 is a wasteful number, since it uses less digits than its factorization.

71372422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111911.

The product of its digits is 4704, while the sum is 28.

The square root of 71372422 is about 8448.2200492175. The cubic root of 71372422 is about 414.8045181828.

Adding to 71372422 its reverse (22427317), we get a palindrome (93799739).

It can be divided in two parts, 7137 and 2422, that added together give a palindrome (9559).

The spelling of 71372422 in words is "seventy-one million, three hundred seventy-two thousand, four hundred twenty-two".