71964833 has 2 divisors, whose sum is σ = 71964834. Its totient is φ = 71964832.

The previous prime is 71964829. The next prime is 71964869. The reversal of 71964833 is 33846917.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71436304 + 528529 = 8452^2 + 727^2 .

It is a cyclic number.

It is not a de Polignac number, because 71964833 - 2² = 71964829 is a prime.

It is not a weakly prime, because it can be changed into another prime (73964833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35982416 + 35982417.

It is an arithmetic number, because the mean of its divisors is an integer number (35982417).

Almost surely, 2^71964833 is an apocalyptic number.

It is an amenable number.

71964833 is a deficient number, since it is larger than the sum of its proper divisors (1).

71964833 is an equidigital number, since it uses as much as digits as its factorization.

71964833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 71964833 is about 8483.2088857932. The cubic root of 71964833 is about 415.9490218135.

The spelling of 71964833 in words is "seventy-one million, nine hundred sixty-four thousand, eight hundred thirty-three".