71795197 has 2 divisors, whose sum is σ = 71795198. Its totient is φ = 71795196.

The previous prime is 71795177. The next prime is 71795221. The reversal of 71795197 is 79159717.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66928761 + 4866436 = 8181^2 + 2206^2 .

It is a cyclic number.

It is not a de Polignac number, because 71795197 - 2⁷ = 71795069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71795117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35897598 + 35897599.

It is an arithmetic number, because the mean of its divisors is an integer number (35897599).

Almost surely, 2^71795197 is an apocalyptic number.

It is an amenable number.

71795197 is a deficient number, since it is larger than the sum of its proper divisors (1).

71795197 is an equidigital number, since it uses as much as digits as its factorization.

71795197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138915, while the sum is 46.

The square root of 71795197 is about 8473.2046475935. The cubic root of 71795197 is about 415.6219387115.

The spelling of 71795197 in words is "seventy-one million, seven hundred ninety-five thousand, one hundred ninety-seven".