71755241 has 2 divisors, whose sum is σ = 71755242. Its totient is φ = 71755240.

The previous prime is 71755217. The next prime is 71755253. The reversal of 71755241 is 14255717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54449641 + 17305600 = 7379^2 + 4160^2 .

It is a cyclic number.

It is not a de Polignac number, because 71755241 - 2¹⁴ = 71738857 is a prime.

It is a super-2 number, since 2×71755241² = 10297629221936162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71755198 and 71755207.

It is not a weakly prime, because it can be changed into another prime (71755441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35877620 + 35877621.

It is an arithmetic number, because the mean of its divisors is an integer number (35877621).

Almost surely, 2^71755241 is an apocalyptic number.

It is an amenable number.

71755241 is a deficient number, since it is larger than the sum of its proper divisors (1).

71755241 is an equidigital number, since it uses as much as digits as its factorization.

71755241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9800, while the sum is 32.

The square root of 71755241 is about 8470.8465338477. The cubic root of 71755241 is about 415.5448227274.

The spelling of 71755241 in words is "seventy-one million, seven hundred fifty-five thousand, two hundred forty-one".