71132356 has 9 divisors (see below), whose sum is σ = 124511149. Its totient is φ = 35557744.

The previous prime is 71132339. The next prime is 71132357. The reversal of 71132356 is 65323117.

The square root of 71132356 is 8434.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 63202500 + 7929856 = 7950^2 + 2816^2 .

It is a super-2 number, since 2×71132356² = 10119624140221472, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71132357) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14760 + ... + 18976.

Almost surely, 2^71132356 is an apocalyptic number.

71132356 is the 8434-th square number.

It is an amenable number.

71132356 is a deficient number, since it is larger than the sum of its proper divisors (53378793).

71132356 is an frugal number, since it uses more digits than its factorization.

71132356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8438 (or 4219 counting only the distinct ones).

The product of its digits is 3780, while the sum is 28.

The cubic root of 71132356 is about 414.3389213583.

The spelling of 71132356 in words is "seventy-one million, one hundred thirty-two thousand, three hundred fifty-six".