71673083353 has 4 divisors (see below), whose sum is σ = 71684252068. Its totient is φ = 71661914640.

The previous prime is 71673083347. The next prime is 71673083381. The reversal of 71673083353 is 35338037617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35338037617 = 593 ⋅59591969.

It can be written as a sum of positive squares in 2 ways, for example, as 34650705609 + 37022377744 = 186147^2 + 192412^2 .

It is a cyclic number.

It is not a de Polignac number, because 71673083353 - 2¹³ = 71673075161 is a prime.

It is a super-3 number, since 3×71673083353³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71673083323) 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, 5574726 + ... + 5587567.

It is an arithmetic number, because the mean of its divisors is an integer number (17921063017).

Almost surely, 2^71673083353 is an apocalyptic number.

It is an amenable number.

71673083353 is a deficient number, since it is larger than the sum of its proper divisors (11168715).

71673083353 is a wasteful number, since it uses less digits than its factorization.

71673083353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11168714.

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 71673083353 in words is "seventy-one billion, six hundred seventy-three million, eighty-three thousand, three hundred fifty-three".