71059493 has 2 divisors, whose sum is σ = 71059494. Its totient is φ = 71059492.

The previous prime is 71059481. The next prime is 71059511. The reversal of 71059493 is 39495017.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64673764 + 6385729 = 8042^2 + 2527^2 .

It is a cyclic number.

It is not a de Polignac number, because 71059493 - 2²⁶ = 3950629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71059433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35529746 + 35529747.

It is an arithmetic number, because the mean of its divisors is an integer number (35529747).

Almost surely, 2^71059493 is an apocalyptic number.

It is an amenable number.

71059493 is a deficient number, since it is larger than the sum of its proper divisors (1).

71059493 is an equidigital number, since it uses as much as digits as its factorization.

71059493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 71059493 is about 8429.6792940182. The cubic root of 71059493 is about 414.1973997754.

The spelling of 71059493 in words is "seventy-one million, fifty-nine thousand, four hundred ninety-three".