71673193 has 2 divisors, whose sum is σ = 71673194. Its totient is φ = 71673192.

The previous prime is 71673163. The next prime is 71673223. The reversal of 71673193 is 39137617.

It is a balanced prime because it is at equal distance from previous prime (71673163) and next prime (71673223).

It can be written as a sum of positive squares in only one way, i.e., 66797929 + 4875264 = 8173^2 + 2208^2 .

It is a cyclic number.

It is not a de Polignac number, because 71673193 - 2²⁵ = 38118761 is a prime.

It is not a weakly prime, because it can be changed into another prime (71673103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35836596 + 35836597.

It is an arithmetic number, because the mean of its divisors is an integer number (35836597).

Almost surely, 2^71673193 is an apocalyptic number.

It is an amenable number.

71673193 is a deficient number, since it is larger than the sum of its proper divisors (1).

71673193 is an equidigital number, since it uses as much as digits as its factorization.

71673193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814, while the sum is 37.

The square root of 71673193 is about 8466.0021852112. The cubic root of 71673193 is about 415.3863784359.

Subtracting from 71673193 its sum of digits (37), we obtain a square (71673156 = 8466²).

The spelling of 71673193 in words is "seventy-one million, six hundred seventy-three thousand, one hundred ninety-three".