71148552 has 16 divisors (see below), whose sum is σ = 177871440. Its totient is φ = 23716176.

The previous prime is 71148527. The next prime is 71148569. The reversal of 71148552 is 25584117.

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, 1482238 + ... + 1482285.

It is an arithmetic number, because the mean of its divisors is an integer number (11116965).

Almost surely, 2^71148552 is an apocalyptic number.

It is an amenable number.

71148552 is an abundant number, since it is smaller than the sum of its proper divisors (106722888).

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

71148552 is a wasteful number, since it uses less digits than its factorization.

71148552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964532 (or 2964528 counting only the distinct ones).

The product of its digits is 11200, while the sum is 33.

The square root of 71148552 is about 8434.9601066039. The cubic root of 71148552 is about 414.3703656700.

The spelling of 71148552 in words is "seventy-one million, one hundred forty-eight thousand, five hundred fifty-two".