71394305 has 16 divisors (see below), whose sum is σ = 95489280. Its totient is φ = 50925312.

The previous prime is 71394299. The next prime is 71394313. The reversal of 71394305 is 50349317.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 71394305 - 2⁸ = 71394049 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20489 + ... + 23718.

It is an arithmetic number, because the mean of its divisors is an integer number (5968080).

Almost surely, 2^71394305 is an apocalyptic number.

It is an amenable number.

71394305 is a deficient number, since it is larger than the sum of its proper divisors (24094975).

71394305 is a wasteful number, since it uses less digits than its factorization.

71394305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44248.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 71394305 is about 8449.5150748431. The cubic root of 71394305 is about 414.8469072900.

The spelling of 71394305 in words is "seventy-one million, three hundred ninety-four thousand, three hundred five".