71814345 has 16 divisors (see below), whose sum is σ = 115092672. Its totient is φ = 38237760.

The previous prime is 71814313. The next prime is 71814371. The reversal of 71814345 is 54341817.

It is not a de Polignac number, because 71814345 - 2⁵ = 71814313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6294 + ... + 13536.

It is an arithmetic number, because the mean of its divisors is an integer number (7193292).

Almost surely, 2^71814345 is an apocalyptic number.

It is an amenable number.

71814345 is a deficient number, since it is larger than the sum of its proper divisors (43278327).

71814345 is a wasteful number, since it uses less digits than its factorization.

71814345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7912.

The product of its digits is 13440, while the sum is 33.

The square root of 71814345 is about 8474.3344871441. The cubic root of 71814345 is about 415.6588846439.

The spelling of 71814345 in words is "seventy-one million, eight hundred fourteen thousand, three hundred forty-five".