71065332 has 36 divisors (see below), whose sum is σ = 193456900. Its totient is φ = 21866112.

The previous prime is 71065297. The next prime is 71065373. The reversal of 71065332 is 23356017.

It is a happy number.

71065332 is a `hidden beast` number, since 7 + 1 + 0 + 653 + 3 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7001316 + 64064016 = 2646^2 + 8004^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 71065296 and 71065305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75457 + ... + 76392.

Almost surely, 2^71065332 is an apocalyptic number.

It is an amenable number.

71065332 is an abundant number, since it is smaller than the sum of its proper divisors (122391568).

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

71065332 is a wasteful number, since it uses less digits than its factorization.

71065332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151872 (or 151867 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 71065332 is about 8430.0256227369. The cubic root of 71065332 is about 414.2087444120.

The spelling of 71065332 in words is "seventy-one million, sixty-five thousand, three hundred thirty-two".