71746565479 has 2 divisors, whose sum is σ = 71746565480. Its totient is φ = 71746565478.

The previous prime is 71746565477. The next prime is 71746565503. The reversal of 71746565479 is 97456564717.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71746565479 - 2¹ = 71746565477 is a prime.

Together with 71746565477, 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 (71746565477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35873282739 + 35873282740.

It is an arithmetic number, because the mean of its divisors is an integer number (35873282740).

Almost surely, 2^71746565479 is an apocalyptic number.

71746565479 is a deficient number, since it is larger than the sum of its proper divisors (1).

71746565479 is an equidigital number, since it uses as much as digits as its factorization.

71746565479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44452800, while the sum is 61.

The spelling of 71746565479 in words is "seventy-one billion, seven hundred forty-six million, five hundred sixty-five thousand, four hundred seventy-nine".