71323099 has 4 divisors (see below), whose sum is σ = 71421136. Its totient is φ = 71225064.

The previous prime is 71323061. The next prime is 71323123. The reversal of 71323099 is 99032317.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71323099 - 2¹¹ = 71321051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71323009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47919 + ... + 49384.

It is an arithmetic number, because the mean of its divisors is an integer number (17855284).

Almost surely, 2^71323099 is an apocalyptic number.

71323099 is a deficient number, since it is larger than the sum of its proper divisors (98037).

71323099 is an equidigital number, since it uses as much as digits as its factorization.

71323099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98036.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 71323099 is about 8445.3004091033. The cubic root of 71323099 is about 414.7089438353.

The spelling of 71323099 in words is "seventy-one million, three hundred twenty-three thousand, ninety-nine".