71832011 has 2 divisors, whose sum is σ = 71832012. Its totient is φ = 71832010.

The previous prime is 71832001. The next prime is 71832023. The reversal of 71832011 is 11023817.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71832011 - 2¹⁸ = 71569867 is a prime.

It is not a weakly prime, because it can be changed into another prime (71832001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35916005 + 35916006.

It is an arithmetic number, because the mean of its divisors is an integer number (35916006).

Almost surely, 2^71832011 is an apocalyptic number.

71832011 is a deficient number, since it is larger than the sum of its proper divisors (1).

71832011 is an equidigital number, since it uses as much as digits as its factorization.

71832011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 71832011 is about 8475.3767467883. The cubic root of 71832011 is about 415.6929652435.

Adding to 71832011 its reverse (11023817), we get a palindrome (82855828).

The spelling of 71832011 in words is "seventy-one million, eight hundred thirty-two thousand, eleven".