71411393 has 2 divisors, whose sum is σ = 71411394. Its totient is φ = 71411392.

The previous prime is 71411341. The next prime is 71411399. The reversal of 71411393 is 39311417.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70845889 + 565504 = 8417^2 + 752^2 .

It is a cyclic number.

It is not a de Polignac number, because 71411393 - 2¹⁸ = 71149249 is a prime.

It is equal to p_4196126 and since 71411393 and 4196126 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (71411399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35705696 + 35705697.

It is an arithmetic number, because the mean of its divisors is an integer number (35705697).

Almost surely, 2^71411393 is an apocalyptic number.

It is an amenable number.

71411393 is a deficient number, since it is larger than the sum of its proper divisors (1).

71411393 is an equidigital number, since it uses as much as digits as its factorization.

71411393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 29.

The square root of 71411393 is about 8450.5261966341. The cubic root of 71411393 is about 414.8800020794.

The spelling of 71411393 in words is "seventy-one million, four hundred eleven thousand, three hundred ninety-three".