71736241 has 8 divisors (see below), whose sum is σ = 76449024. Its totient is φ = 67156320.

The previous prime is 71736239. The next prime is 71736299. The reversal of 71736241 is 14263717.

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

It is not a de Polignac number, because 71736241 - 2¹ = 71736239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71736211) 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 7 ways as a sum of consecutive naturals, for example, 32100 + ... + 34261.

It is an arithmetic number, because the mean of its divisors is an integer number (9556128).

Almost surely, 2^71736241 is an apocalyptic number.

It is an amenable number.

71736241 is a deficient number, since it is larger than the sum of its proper divisors (4712783).

71736241 is a wasteful number, since it uses less digits than its factorization.

71736241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66431.

The product of its digits is 7056, while the sum is 31.

The square root of 71736241 is about 8469.7249660187. The cubic root of 71736241 is about 415.5081422541.

Adding to 71736241 its reverse (14263717), we get a palindrome (85999958).

The spelling of 71736241 in words is "seventy-one million, seven hundred thirty-six thousand, two hundred forty-one".