71540852 has 24 divisors (see below), whose sum is σ = 132767040. Its totient is φ = 33635520.

The previous prime is 71540851. The next prime is 71540857. The reversal of 71540852 is 25804517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71540851) 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, 6977 + ... + 13847.

It is an arithmetic number, because the mean of its divisors is an integer number (5531960).

Almost surely, 2^71540852 is an apocalyptic number.

It is an amenable number.

71540852 is a deficient number, since it is larger than the sum of its proper divisors (61226188).

71540852 is a wasteful number, since it uses less digits than its factorization.

71540852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7031 (or 7029 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 71540852 is about 8458.1825470960. The cubic root of 71540852 is about 415.1305574615.

The spelling of 71540852 in words is "seventy-one million, five hundred forty thousand, eight hundred fifty-two".