71505652 has 12 divisors (see below), whose sum is σ = 125195616. Its totient is φ = 35735480.

The previous prime is 71505647. The next prime is 71505673. The reversal of 71505652 is 25650517.

It is a super-2 number, since 2×71505652² = 10226116535890208, which contains 22 as substring.

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, 10833 + ... + 16135.

It is an arithmetic number, because the mean of its divisors is an integer number (10432968).

Almost surely, 2^71505652 is an apocalyptic number.

It is an amenable number.

71505652 is a deficient number, since it is larger than the sum of its proper divisors (53689964).

71505652 is a wasteful number, since it uses less digits than its factorization.

71505652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8678 (or 8676 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 71505652 is about 8456.1014658056. The cubic root of 71505652 is about 415.0624612039.

The spelling of 71505652 in words is "seventy-one million, five hundred five thousand, six hundred fifty-two".