71713199 has 8 divisors (see below), whose sum is σ = 74595840. Its totient is φ = 68866200.

The previous prime is 71713189. The next prime is 71713231. The reversal of 71713199 is 99131717.

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 71713199 - 2¹⁶ = 71647663 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 (71713129) 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, 4769 + ... + 12890.

It is an arithmetic number, because the mean of its divisors is an integer number (9324480).

Almost surely, 2^71713199 is an apocalyptic number.

71713199 is a deficient number, since it is larger than the sum of its proper divisors (2882641).

71713199 is a wasteful number, since it uses less digits than its factorization.

71713199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17821.

The product of its digits is 11907, while the sum is 38.

The square root of 71713199 is about 8468.3646000866. The cubic root of 71713199 is about 415.4636498016.

The spelling of 71713199 in words is "seventy-one million, seven hundred thirteen thousand, one hundred ninety-nine".