71054479 has 2 divisors, whose sum is σ = 71054480. Its totient is φ = 71054478.

The previous prime is 71054413. The next prime is 71054491. The reversal of 71054479 is 97445017.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71054479 - 2⁹ = 71053967 is a prime.

It is a super-2 number, since 2×71054479² = 10097477971922882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71054579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35527239 + 35527240.

It is an arithmetic number, because the mean of its divisors is an integer number (35527240).

Almost surely, 2^71054479 is an apocalyptic number.

71054479 is a deficient number, since it is larger than the sum of its proper divisors (1).

71054479 is an equidigital number, since it uses as much as digits as its factorization.

71054479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 71054479 is about 8429.3818871848. The cubic root of 71054479 is about 414.1876575415.

The spelling of 71054479 in words is "seventy-one million, fifty-four thousand, four hundred seventy-nine".