83743669 has 4 divisors (see below), whose sum is σ = 83823660. Its totient is φ = 83663680.

The previous prime is 83743633. The next prime is 83743721. The reversal of 83743669 is 96634738.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96634738 = 2 ⋅48317369.

It can be written as a sum of positive squares in 2 ways, for example, as 71402500 + 12341169 = 8450^2 + 3513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83743669 is a prime.

It is a super-2 number, since 2×83743669² = 14026004195163122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83743609) 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, 38404 + ... + 40525.

It is an arithmetic number, because the mean of its divisors is an integer number (20955915).

Almost surely, 2^83743669 is an apocalyptic number.

It is an amenable number.

83743669 is a deficient number, since it is larger than the sum of its proper divisors (79991).

83743669 is a wasteful number, since it uses less digits than its factorization.

83743669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79990.

The product of its digits is 653184, while the sum is 46.

The square root of 83743669 is about 9151.1567028436. The cubic root of 83743669 is about 437.5059813060.

The spelling of 83743669 in words is "eighty-three million, seven hundred forty-three thousand, six hundred sixty-nine".