71001032 has 8 divisors (see below), whose sum is σ = 133126950. Its totient is φ = 35500512.

The previous prime is 71001031. The next prime is 71001037. The reversal of 71001032 is 23010017.

It can be written as a sum of positive squares in only one way, i.e., 64416676 + 6584356 = 8026^2 + 2566^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×71001032³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 71000998 and 71001016.

It is not an unprimeable number, because it can be changed into a prime (71001031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4437557 + ... + 4437572.

Almost surely, 2^71001032 is an apocalyptic number.

It is an amenable number.

71001032 is a deficient number, since it is larger than the sum of its proper divisors (62125918).

71001032 is a wasteful number, since it uses less digits than its factorization.

71001032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8875135 (or 8875131 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 71001032 is about 8426.2110108874. The cubic root of 71001032 is about 414.0837811879.

Adding to 71001032 its reverse (23010017), we get a palindrome (94011049).

The spelling of 71001032 in words is "seventy-one million, one thousand, thirty-two".