71038132 has 30 divisors (see below), whose sum is σ = 136860290. Its totient is φ = 32263440.

The previous prime is 71038129. The next prime is 71038159. The reversal of 71038132 is 23183017.

It can be written as a sum of positive squares in only one way, i.e., 42693156 + 28344976 = 6534^2 + 5324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71038097 and 71038106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57958 + ... + 59170.

Almost surely, 2^71038132 is an apocalyptic number.

It is an amenable number.

71038132 is a deficient number, since it is larger than the sum of its proper divisors (65822158).

71038132 is a wasteful number, since it uses less digits than its factorization.

71038132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 71038132 is about 8428.4121873577. The cubic root of 71038132 is about 414.1558920331.

The spelling of 71038132 in words is "seventy-one million, thirty-eight thousand, one hundred thirty-two".