71604343 has 2 divisors, whose sum is σ = 71604344. Its totient is φ = 71604342.

The previous prime is 71604341. The next prime is 71604353. The reversal of 71604343 is 34340617.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71604343 - 2¹ = 71604341 is a prime.

Together with 71604341, 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 (71604341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35802171 + 35802172.

It is an arithmetic number, because the mean of its divisors is an integer number (35802172).

Almost surely, 2^71604343 is an apocalyptic number.

71604343 is a deficient number, since it is larger than the sum of its proper divisors (1).

71604343 is an equidigital number, since it uses as much as digits as its factorization.

71604343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 71604343 is about 8461.9349442075. The cubic root of 71604343 is about 415.2533276934.

The spelling of 71604343 in words is "seventy-one million, six hundred four thousand, three hundred forty-three".