71816793 has 4 divisors (see below), whose sum is σ = 95755728. Its totient is φ = 47877860.

The previous prime is 71816783. The next prime is 71816803. The reversal of 71816793 is 39761817.

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 an interprime number because it is at equal distance from previous prime (71816783) and next prime (71816803).

It is a cyclic number.

It is not a de Polignac number, because 71816793 - 2⁴ = 71816777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71816753) 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, 11969463 + ... + 11969468.

It is an arithmetic number, because the mean of its divisors is an integer number (23938932).

Almost surely, 2^71816793 is an apocalyptic number.

It is an amenable number.

71816793 is a deficient number, since it is larger than the sum of its proper divisors (23938935).

71816793 is a wasteful number, since it uses less digits than its factorization.

71816793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23938934.

The product of its digits is 63504, while the sum is 42.

The square root of 71816793 is about 8474.4789220341. The cubic root of 71816793 is about 415.6636075693.

The spelling of 71816793 in words is "seventy-one million, eight hundred sixteen thousand, seven hundred ninety-three".