71034889 has 2 divisors, whose sum is σ = 71034890. Its totient is φ = 71034888.

The previous prime is 71034797. The next prime is 71034937. The reversal of 71034889 is 98843017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59166864 + 11868025 = 7692^2 + 3445^2 .

It is a cyclic number.

It is not a de Polignac number, because 71034889 - 2¹⁷ = 70903817 is a prime.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (71034389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35517444 + 35517445.

It is an arithmetic number, because the mean of its divisors is an integer number (35517445).

Almost surely, 2^71034889 is an apocalyptic number.

It is an amenable number.

71034889 is a deficient number, since it is larger than the sum of its proper divisors (1).

71034889 is an equidigital number, since it uses as much as digits as its factorization.

71034889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 71034889 is about 8428.2198001713. The cubic root of 71034889 is about 414.1495896527.

The spelling of 71034889 in words is "seventy-one million, thirty-four thousand, eight hundred eighty-nine".