71340193 has 8 divisors (see below), whose sum is σ = 76217120. Its totient is φ = 66575520.

The previous prime is 71340187. The next prime is 71340209. The reversal of 71340193 is 39104317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71340193 - 2¹⁷ = 71209121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71340133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26748 + ... + 29293.

It is an arithmetic number, because the mean of its divisors is an integer number (9527140).

Almost surely, 2^71340193 is an apocalyptic number.

It is an amenable number.

71340193 is a deficient number, since it is larger than the sum of its proper divisors (4876927).

71340193 is a wasteful number, since it uses less digits than its factorization.

71340193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56127.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 71340193 is about 8446.3123906235. The cubic root of 71340193 is about 414.7420722725.

The spelling of 71340193 in words is "seventy-one million, three hundred forty thousand, one hundred ninety-three".