71816052 has 48 divisors (see below), whose sum is σ = 208922112. Its totient is φ = 18653280.

The previous prime is 71816023. The next prime is 71816083. The reversal of 71816052 is 25061817.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37938 + ... + 39785.

It is an arithmetic number, because the mean of its divisors is an integer number (4352544).

Almost surely, 2^71816052 is an apocalyptic number.

It is an amenable number.

71816052 is an abundant number, since it is smaller than the sum of its proper divisors (137106060).

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

71816052 is a wasteful number, since it uses less digits than its factorization.

71816052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77748 (or 77746 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 71816052 is about 8474.4352024191. The cubic root of 71816052 is about 415.6621779696.

Adding to 71816052 its reverse (25061817), we get a palindrome (96877869).

The spelling of 71816052 in words is "seventy-one million, eight hundred sixteen thousand, fifty-two".