71450730306 has 12 divisors (see below), whose sum is σ = 154809915702. Its totient is φ = 23816910096.

The previous prime is 71450730259. The next prime is 71450730319. The reversal of 71450730306 is 60303705417.

It can be written as a sum of positive squares in only one way, i.e., 39316941225 + 32133789081 = 198285^2 + 179259^2 .

It is a super-2 number, since 2×71450730306² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1984742491 + ... + 1984742526.

Almost surely, 2^71450730306 is an apocalyptic number.

71450730306 is an abundant number, since it is smaller than the sum of its proper divisors (83359185396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71450730306 is a wasteful number, since it uses less digits than its factorization.

71450730306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969485025 (or 3969485022 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 71450730306 in words is "seventy-one billion, four hundred fifty million, seven hundred thirty thousand, three hundred six".