71814065 has 8 divisors (see below), whose sum is σ = 86227200. Its totient is φ = 57417712.

The previous prime is 71814049. The next prime is 71814089. The reversal of 71814065 is 56041817.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71814065 - 2⁴ = 71814049 is a prime.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9002 + ... + 14988.

It is an arithmetic number, because the mean of its divisors is an integer number (10778400).

Almost surely, 2^71814065 is an apocalyptic number.

It is an amenable number.

71814065 is a deficient number, since it is larger than the sum of its proper divisors (14413135).

71814065 is a wasteful number, since it uses less digits than its factorization.

71814065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8391.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 71814065 is about 8474.3179666567. The cubic root of 71814065 is about 415.6583444332.

The spelling of 71814065 in words is "seventy-one million, eight hundred fourteen thousand, sixty-five".