71748213 has 8 divisors (see below), whose sum is σ = 95749248. Its totient is φ = 47789664.

The previous prime is 71748197. The next prime is 71748227. The reversal of 71748213 is 31284717.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71748213 - 2⁴ = 71748197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71748253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6445 + ... + 13602.

It is an arithmetic number, because the mean of its divisors is an integer number (11968656).

Almost surely, 2^71748213 is an apocalyptic number.

It is an amenable number.

71748213 is a deficient number, since it is larger than the sum of its proper divisors (24001035).

71748213 is a wasteful number, since it uses less digits than its factorization.

71748213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21243.

The product of its digits is 9408, while the sum is 33.

The square root of 71748213 is about 8470.4316891171. The cubic root of 71748213 is about 415.5312555681.

The spelling of 71748213 in words is "seventy-one million, seven hundred forty-eight thousand, two hundred thirteen".