71085952 has 32 divisors (see below), whose sum is σ = 161849520. Its totient is φ = 30465024.

The previous prime is 71085947. The next prime is 71085977. The reversal of 71085952 is 25958017.

It is a tau number, because it is divible by the number of its divisors (32).

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, 38773 + ... + 40564.

Almost surely, 2^71085952 is an apocalyptic number.

It is an amenable number.

71085952 is an abundant number, since it is smaller than the sum of its proper divisors (90763568).

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

71085952 is an equidigital number, since it uses as much as digits as its factorization.

71085952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79358 (or 79346 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 71085952 is about 8431.2485433653. The cubic root of 71085952 is about 414.2488021923.

The spelling of 71085952 in words is "seventy-one million, eighty-five thousand, nine hundred fifty-two".