71443373 has 4 divisors (see below), whose sum is σ = 72509760. Its totient is φ = 70376988.

The previous prime is 71443357. The next prime is 71443391. The reversal of 71443373 is 37334417.

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 71443373 - 2⁴ = 71443357 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 (71443343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533093 + ... + 533226.

It is an arithmetic number, because the mean of its divisors is an integer number (18127440).

Almost surely, 2^71443373 is an apocalyptic number.

It is an amenable number.

71443373 is a deficient number, since it is larger than the sum of its proper divisors (1066387).

71443373 is a wasteful number, since it uses less digits than its factorization.

71443373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066386.

The product of its digits is 21168, while the sum is 32.

The square root of 71443373 is about 8452.4181747001. The cubic root of 71443373 is about 414.9419244227.

The spelling of 71443373 in words is "seventy-one million, four hundred forty-three thousand, three hundred seventy-three".