71340903394 has 8 divisors (see below), whose sum is σ = 109621388268. Its totient is φ = 34800440640.

The previous prime is 71340903383. The next prime is 71340903397. The reversal of 71340903394 is 49330904317.

It can be written as a sum of positive squares in 2 ways, for example, as 71307691225 + 33212169 = 267035^2 + 5763^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 71340903394.

It is not an unprimeable number, because it can be changed into a prime (71340903397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435005427 + ... + 435005590.

Almost surely, 2^71340903394 is an apocalyptic number.

71340903394 is a deficient number, since it is larger than the sum of its proper divisors (38280484874).

71340903394 is a wasteful number, since it uses less digits than its factorization.

71340903394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870011060.

The product of its (nonzero) digits is 244944, while the sum is 43.

The spelling of 71340903394 in words is "seventy-one billion, three hundred forty million, nine hundred three thousand, three hundred ninety-four".