71180741 has 2 divisors, whose sum is σ = 71180742. Its totient is φ = 71180740.

The previous prime is 71180737. The next prime is 71180771. The reversal of 71180741 is 14708117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59985025 + 11195716 = 7745^2 + 3346^2 .

It is a cyclic number.

It is not a de Polignac number, because 71180741 - 2² = 71180737 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71180731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35590370 + 35590371.

It is an arithmetic number, because the mean of its divisors is an integer number (35590371).

Almost surely, 2^71180741 is an apocalyptic number.

It is an amenable number.

71180741 is a deficient number, since it is larger than the sum of its proper divisors (1).

71180741 is an equidigital number, since it uses as much as digits as its factorization.

71180741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 29.

The square root of 71180741 is about 8436.8679615127. The cubic root of 71180741 is about 414.4328460080.

Adding to 71180741 its reverse (14708117), we get a palindrome (85888858).

The spelling of 71180741 in words is "seventy-one million, one hundred eighty thousand, seven hundred forty-one".