71606933 has 2 divisors, whose sum is σ = 71606934. Its totient is φ = 71606932.

The previous prime is 71606929. The next prime is 71606947. The reversal of 71606933 is 33960617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71537764 + 69169 = 8458^2 + 263^2 .

It is a cyclic number.

It is not a de Polignac number, because 71606933 - 2² = 71606929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71606893 and 71606902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71606833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35803466 + 35803467.

It is an arithmetic number, because the mean of its divisors is an integer number (35803467).

Almost surely, 2^71606933 is an apocalyptic number.

It is an amenable number.

71606933 is a deficient number, since it is larger than the sum of its proper divisors (1).

71606933 is an equidigital number, since it uses as much as digits as its factorization.

71606933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 71606933 is about 8462.0879811073. The cubic root of 71606933 is about 415.2583343410.

The spelling of 71606933 in words is "seventy-one million, six hundred six thousand, nine hundred thirty-three".