71714815 has 4 divisors (see below), whose sum is σ = 86057784. Its totient is φ = 57371848.

The previous prime is 71714813. The next prime is 71714821. The reversal of 71714815 is 51841717.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51841717 = 83 ⋅624599.

It is a cyclic number.

It is not a de Polignac number, because 71714815 - 2¹ = 71714813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71714813) 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, 7171477 + ... + 7171486.

It is an arithmetic number, because the mean of its divisors is an integer number (21514446).

Almost surely, 2^71714815 is an apocalyptic number.

71714815 is a deficient number, since it is larger than the sum of its proper divisors (14342969).

71714815 is a wasteful number, since it uses less digits than its factorization.

71714815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14342968.

The product of its digits is 7840, while the sum is 34.

The square root of 71714815 is about 8468.4600134853. The cubic root of 71714815 is about 415.4667704927.

The spelling of 71714815 in words is "seventy-one million, seven hundred fourteen thousand, eight hundred fifteen".