71084623 has 2 divisors, whose sum is σ = 71084624. Its totient is φ = 71084622.

The previous prime is 71084621. The next prime is 71084627. The reversal of 71084623 is 32648017.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71084623 - 2¹ = 71084621 is a prime.

Together with 71084621, 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 (71084621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35542311 + 35542312.

It is an arithmetic number, because the mean of its divisors is an integer number (35542312).

Almost surely, 2^71084623 is an apocalyptic number.

71084623 is a deficient number, since it is larger than the sum of its proper divisors (1).

71084623 is an equidigital number, since it uses as much as digits as its factorization.

71084623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 71084623 is about 8431.1697290471. The cubic root of 71084623 is about 414.2462206223.

The spelling of 71084623 in words is "seventy-one million, eighty-four thousand, six hundred twenty-three".