71496349 has 2 divisors, whose sum is σ = 71496350. Its totient is φ = 71496348.

The previous prime is 71496289. The next prime is 71496389. The reversal of 71496349 is 94369417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68773849 + 2722500 = 8293^2 + 1650^2 .

It is an emirp because it is prime and its reverse (94369417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71496349 - 2¹¹ = 71494301 is a prime.

It is a super-2 number, since 2×71496349² = 10223455840659602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71496389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35748174 + 35748175.

It is an arithmetic number, because the mean of its divisors is an integer number (35748175).

Almost surely, 2^71496349 is an apocalyptic number.

It is an amenable number.

71496349 is a deficient number, since it is larger than the sum of its proper divisors (1).

71496349 is an equidigital number, since it uses as much as digits as its factorization.

71496349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 71496349 is about 8455.5513717321. The cubic root of 71496349 is about 415.0444603259.

The spelling of 71496349 in words is "seventy-one million, four hundred ninety-six thousand, three hundred forty-nine".