71300477 has 2 divisors, whose sum is σ = 71300478. Its totient is φ = 71300476.

The previous prime is 71300447. The next prime is 71300479. The reversal of 71300477 is 77400317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68128516 + 3171961 = 8254^2 + 1781^2 .

It is a cyclic number.

It is not a de Polignac number, because 71300477 - 2¹⁸ = 71038333 is a prime.

Together with 71300479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71300479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35650238 + 35650239.

It is an arithmetic number, because the mean of its divisors is an integer number (35650239).

Almost surely, 2^71300477 is an apocalyptic number.

It is an amenable number.

71300477 is a deficient number, since it is larger than the sum of its proper divisors (1).

71300477 is an equidigital number, since it uses as much as digits as its factorization.

71300477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 71300477 is about 8443.9609781192. The cubic root of 71300477 is about 414.6650939096.

The spelling of 71300477 in words is "seventy-one million, three hundred thousand, four hundred seventy-seven".