71055373 has 2 divisors, whose sum is σ = 71055374. Its totient is φ = 71055372.

The previous prime is 71055371. The next prime is 71055377. The reversal of 71055373 is 37355017.

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., 70257924 + 797449 = 8382^2 + 893^2 .

It is a cyclic number.

It is not a de Polignac number, because 71055373 - 2¹ = 71055371 is a prime.

Together with 71055371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71055371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35527686 + 35527687.

It is an arithmetic number, because the mean of its divisors is an integer number (35527687).

Almost surely, 2^71055373 is an apocalyptic number.

It is an amenable number.

71055373 is a deficient number, since it is larger than the sum of its proper divisors (1).

71055373 is an equidigital number, since it uses as much as digits as its factorization.

71055373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 71055373 is about 8429.4349158173. The cubic root of 71055373 is about 414.1893946227.

The spelling of 71055373 in words is "seventy-one million, fifty-five thousand, three hundred seventy-three".