71797361 has 2 divisors, whose sum is σ = 71797362. Its totient is φ = 71797360.

The previous prime is 71797357. The next prime is 71797367. The reversal of 71797361 is 16379717.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61716736 + 10080625 = 7856^2 + 3175^2 .

It is a cyclic number.

It is not a de Polignac number, because 71797361 - 2² = 71797357 is a prime.

It is a super-2 number, since 2×71797361² = 10309722093128642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71797367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35898680 + 35898681.

It is an arithmetic number, because the mean of its divisors is an integer number (35898681).

Almost surely, 2^71797361 is an apocalyptic number.

It is an amenable number.

71797361 is a deficient number, since it is larger than the sum of its proper divisors (1).

71797361 is an equidigital number, since it uses as much as digits as its factorization.

71797361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55566, while the sum is 41.

The square root of 71797361 is about 8473.3323432992. The cubic root of 71797361 is about 415.6261144636.

The spelling of 71797361 in words is "seventy-one million, seven hundred ninety-seven thousand, three hundred sixty-one".