71484169 has 2 divisors, whose sum is σ = 71484170. Its totient is φ = 71484168.

The previous prime is 71484143. The next prime is 71484173. The reversal of 71484169 is 96148417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70778569 + 705600 = 8413^2 + 840^2 .

It is a cyclic number.

It is not a de Polignac number, because 71484169 - 2¹⁹ = 70959881 is a prime.

It is a super-2 number, since 2×71484169² = 10219972835241122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71488169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35742084 + 35742085.

It is an arithmetic number, because the mean of its divisors is an integer number (35742085).

Almost surely, 2^71484169 is an apocalyptic number.

It is an amenable number.

71484169 is a deficient number, since it is larger than the sum of its proper divisors (1).

71484169 is an equidigital number, since it uses as much as digits as its factorization.

71484169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 71484169 is about 8454.8311041676. The cubic root of 71484169 is about 415.0208902244.

The spelling of 71484169 in words is "seventy-one million, four hundred eighty-four thousand, one hundred sixty-nine".