71301136 has 15 divisors (see below), whose sum is σ = 138211423. Its totient is φ = 35633680.

The previous prime is 71301133. The next prime is 71301161. The reversal of 71301136 is 63110317.

The square root of 71301136 is 8444.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71301133) 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 in 2 ways as a sum of consecutive naturals, for example, 32721 + ... + 34831.

Almost surely, 2^71301136 is an apocalyptic number.

71301136 is the 8444-th square number.

It is an amenable number.

71301136 is a deficient number, since it is larger than the sum of its proper divisors (66910287).

71301136 is an frugal number, since it uses more digits than its factorization.

71301136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230 (or 2113 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The cubic root of 71301136 is about 414.6663714301. Note that the first 3 decimals are identical.

The spelling of 71301136 in words is "seventy-one million, three hundred one thousand, one hundred thirty-six".