71373793 has 4 divisors (see below), whose sum is σ = 71568640. Its totient is φ = 71178948.

The previous prime is 71373787. The next prime is 71373821. The reversal of 71373793 is 39737317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71373793 - 2¹³ = 71365601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71373713) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96873 + ... + 97606.

It is an arithmetic number, because the mean of its divisors is an integer number (17892160).

Almost surely, 2^71373793 is an apocalyptic number.

It is an amenable number.

71373793 is a deficient number, since it is larger than the sum of its proper divisors (194847).

71373793 is a wasteful number, since it uses less digits than its factorization.

71373793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194846.

The product of its digits is 83349, while the sum is 40.

The square root of 71373793 is about 8448.3011901802. The cubic root of 71373793 is about 414.8071741730.

The spelling of 71373793 in words is "seventy-one million, three hundred seventy-three thousand, seven hundred ninety-three".