71074463245 has 4 divisors (see below), whose sum is σ = 85289355900. Its totient is φ = 56859570592.

The previous prime is 71074463233. The next prime is 71074463249. The reversal of 71074463245 is 54236447017.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28929247396 + 42145215849 = 170086^2 + 205293^2 .

It is a cyclic number.

It is not a de Polignac number, because 71074463245 - 2¹¹ = 71074461197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71074463249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7107446320 + ... + 7107446329.

It is an arithmetic number, because the mean of its divisors is an integer number (21322338975).

Almost surely, 2^71074463245 is an apocalyptic number.

It is an amenable number.

71074463245 is a deficient number, since it is larger than the sum of its proper divisors (14214892655).

71074463245 is a wasteful number, since it uses less digits than its factorization.

71074463245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14214892654.

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 71074463245 in words is "seventy-one billion, seventy-four million, four hundred sixty-three thousand, two hundred forty-five".