71622152 has 32 divisors (see below), whose sum is σ = 158430720. Its totient is φ = 29704320.

The previous prime is 71622151. The next prime is 71622157. The reversal of 71622152 is 25122617.

It is a super-2 number, since 2×71622152² = 10259465314222208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71622151) 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, 18893 + ... + 22364.

It is an arithmetic number, because the mean of its divisors is an integer number (4950960).

Almost surely, 2^71622152 is an apocalyptic number.

It is an amenable number.

71622152 is an abundant number, since it is smaller than the sum of its proper divisors (86808568).

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

71622152 is a wasteful number, since it uses less digits than its factorization.

71622152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41301 (or 41297 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 71622152 is about 8462.9871794775. The cubic root of 71622152 is about 415.2877512734.

Adding to 71622152 its reverse (25122617), we get a palindrome (96744769).

The spelling of 71622152 in words is "seventy-one million, six hundred twenty-two thousand, one hundred fifty-two".