71124479 has 2 divisors, whose sum is σ = 71124480. Its totient is φ = 71124478.

The previous prime is 71124461. The next prime is 71124491. The reversal of 71124479 is 97442117.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71124479 - 2¹⁶ = 71058943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71124419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35562239 + 35562240.

It is an arithmetic number, because the mean of its divisors is an integer number (35562240).

Almost surely, 2^71124479 is an apocalyptic number.

71124479 is a deficient number, since it is larger than the sum of its proper divisors (1).

71124479 is an equidigital number, since it uses as much as digits as its factorization.

71124479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 35.

The square root of 71124479 is about 8433.5330081763. The cubic root of 71124479 is about 414.3236265457.

The spelling of 71124479 in words is "seventy-one million, one hundred twenty-four thousand, four hundred seventy-nine".