71255332 has 6 divisors (see below), whose sum is σ = 124696838. Its totient is φ = 35627664.

The previous prime is 71255281. The next prime is 71255351. The reversal of 71255332 is 23355217.

It can be written as a sum of positive squares in only one way, i.e., 45914176 + 25341156 = 6776^2 + 5034^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 71255332.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8906913 + ... + 8906920.

Almost surely, 2^71255332 is an apocalyptic number.

It is an amenable number.

71255332 is a deficient number, since it is larger than the sum of its proper divisors (53441506).

71255332 is a wasteful number, since it uses less digits than its factorization.

71255332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17813837 (or 17813835 counting only the distinct ones).

The product of its digits is 6300, while the sum is 28.

The square root of 71255332 is about 8441.2873425799. The cubic root of 71255332 is about 414.5775582259.

The spelling of 71255332 in words is "seventy-one million, two hundred fifty-five thousand, three hundred thirty-two".