71315873 has 8 divisors (see below), whose sum is σ = 76667520. Its totient is φ = 66124080.

The previous prime is 71315831. The next prime is 71315897. The reversal of 71315873 is 37851317.

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 71315873 - 2⁶ = 71315809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71315473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39038 + ... + 40823.

It is an arithmetic number, because the mean of its divisors is an integer number (9583440).

Almost surely, 2^71315873 is an apocalyptic number.

It is an amenable number.

71315873 is a deficient number, since it is larger than the sum of its proper divisors (5351647).

71315873 is a wasteful number, since it uses less digits than its factorization.

71315873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79927.

The product of its digits is 17640, while the sum is 35.

The square root of 71315873 is about 8444.8725863686. The cubic root of 71315873 is about 414.6949381435.

The spelling of 71315873 in words is "seventy-one million, three hundred fifteen thousand, eight hundred seventy-three".