71132339 has 2 divisors, whose sum is σ = 71132340. Its totient is φ = 71132338.

The previous prime is 71132309. The next prime is 71132357. The reversal of 71132339 is 93323117.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71132339 is a prime.

It is a super-2 number, since 2×71132339² = 10119619303221842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71132309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35566169 + 35566170.

It is an arithmetic number, because the mean of its divisors is an integer number (35566170).

Almost surely, 2^71132339 is an apocalyptic number.

71132339 is a deficient number, since it is larger than the sum of its proper divisors (1).

71132339 is an equidigital number, since it uses as much as digits as its factorization.

71132339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 29.

The square root of 71132339 is about 8433.9989921745. The cubic root of 71132339 is about 414.3388883506.

The spelling of 71132339 in words is "seventy-one million, one hundred thirty-two thousand, three hundred thirty-nine".