71368673 has 4 divisors (see below), whose sum is σ = 71393280. Its totient is φ = 71344068.

The previous prime is 71368657. The next prime is 71368711. The reversal of 71368673 is 37686317.

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 71368673 - 2⁴ = 71368657 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 71368673.

It is not an unprimeable number, because it can be changed into a prime (71368613) 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, 7265 + ... + 13982.

It is an arithmetic number, because the mean of its divisors is an integer number (17848320).

Almost surely, 2^71368673 is an apocalyptic number.

It is an amenable number.

71368673 is a deficient number, since it is larger than the sum of its proper divisors (24607).

71368673 is a wasteful number, since it uses less digits than its factorization.

71368673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24606.

The product of its digits is 127008, while the sum is 41.

The square root of 71368673 is about 8447.9981652460. The cubic root of 71368673 is about 414.7972552031.

The spelling of 71368673 in words is "seventy-one million, three hundred sixty-eight thousand, six hundred seventy-three".