71850713 has 8 divisors (see below), whose sum is σ = 79191840. Its totient is φ = 64644480.

The previous prime is 71850703. The next prime is 71850743. The reversal of 71850713 is 31705817.

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 71850713 - 2¹² = 71846617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71850713.

It is not an unprimeable number, because it can be changed into a prime (71850703) 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, 32603 + ... + 34736.

It is an arithmetic number, because the mean of its divisors is an integer number (9898980).

Almost surely, 2^71850713 is an apocalyptic number.

It is an amenable number.

71850713 is a deficient number, since it is larger than the sum of its proper divisors (7341127).

71850713 is a wasteful number, since it uses less digits than its factorization.

71850713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67447.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 71850713 is about 8476.4799887689. The cubic root of 71850713 is about 415.7290383681.

Subtracting from 71850713 its reverse (31705817), we obtain a square (40144896 = 6336²).

The spelling of 71850713 in words is "seventy-one million, eight hundred fifty thousand, seven hundred thirteen".