71706233 has 2 divisors, whose sum is σ = 71706234. Its totient is φ = 71706232.

The previous prime is 71706197. The next prime is 71706269. The reversal of 71706233 is 33260717.

It is a balanced prime because it is at equal distance from previous prime (71706197) and next prime (71706269).

It can be written as a sum of positive squares in only one way, i.e., 46676224 + 25030009 = 6832^2 + 5003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71706233 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 71706196 and 71706205.

It is not a weakly prime, because it can be changed into another prime (71708233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35853116 + 35853117.

It is an arithmetic number, because the mean of its divisors is an integer number (35853117).

Almost surely, 2^71706233 is an apocalyptic number.

It is an amenable number.

71706233 is a deficient number, since it is larger than the sum of its proper divisors (1).

71706233 is an equidigital number, since it uses as much as digits as its factorization.

71706233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 71706233 is about 8467.9532946279. The cubic root of 71706233 is about 415.4501970782.

The spelling of 71706233 in words is "seventy-one million, seven hundred six thousand, two hundred thirty-three".