71473333 has 2 divisors, whose sum is σ = 71473334. Its totient is φ = 71473332.

The previous prime is 71473331. The next prime is 71473399. The reversal of 71473333 is 33337417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43784689 + 27688644 = 6617^2 + 5262^2 .

It is an emirp because it is prime and its reverse (33337417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71473333 - 2¹ = 71473331 is a prime.

Together with 71473331, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 71473295 and 71473304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71473331) 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, 35736666 + 35736667.

It is an arithmetic number, because the mean of its divisors is an integer number (35736667).

Almost surely, 2^71473333 is an apocalyptic number.

It is an amenable number.

71473333 is a deficient number, since it is larger than the sum of its proper divisors (1).

71473333 is an equidigital number, since it uses as much as digits as its factorization.

71473333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 31.

The square root of 71473333 is about 8454.1902628223. The cubic root of 71473333 is about 414.9999187110. Note that the first 4 decimals are identical.

It can be divided in two parts, 714 and 73333, that added together give a palindrome (74047).

The spelling of 71473333 in words is "seventy-one million, four hundred seventy-three thousand, three hundred thirty-three".