71832329 has 2 divisors, whose sum is σ = 71832330. Its totient is φ = 71832328.

The previous prime is 71832247. The next prime is 71832337. The reversal of 71832329 is 92323817.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69272329 + 2560000 = 8323^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 71832329 - 2¹² = 71828233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (71832349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35916164 + 35916165.

It is an arithmetic number, because the mean of its divisors is an integer number (35916165).

Almost surely, 2^71832329 is an apocalyptic number.

It is an amenable number.

71832329 is a deficient number, since it is larger than the sum of its proper divisors (1).

71832329 is an equidigital number, since it uses as much as digits as its factorization.

71832329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 71832329 is about 8475.3955069955. The cubic root of 71832329 is about 415.6935786663.

The spelling of 71832329 in words is "seventy-one million, eight hundred thirty-two thousand, three hundred twenty-nine".