71084723 has 2 divisors, whose sum is σ = 71084724. Its totient is φ = 71084722.

The previous prime is 71084711. The next prime is 71084737. The reversal of 71084723 is 32748017.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71084723 - 2⁴ = 71084707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71084723.

It is not a weakly prime, because it can be changed into another prime (71084623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35542361 + 35542362.

It is an arithmetic number, because the mean of its divisors is an integer number (35542362).

Almost surely, 2^71084723 is an apocalyptic number.

71084723 is a deficient number, since it is larger than the sum of its proper divisors (1).

71084723 is an equidigital number, since it uses as much as digits as its factorization.

71084723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 71084723 is about 8431.1756594202. The cubic root of 71084723 is about 414.2464148725.

The spelling of 71084723 in words is "seventy-one million, eighty-four thousand, seven hundred twenty-three".