83743685 has 4 divisors (see below), whose sum is σ = 100492428. Its totient is φ = 66994944.

The previous prime is 83743633. The next prime is 83743721. The reversal of 83743685 is 58634738.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58634738 = 2 ⋅29317369.

It can be written as a sum of positive squares in 2 ways, for example, as 45576001 + 38167684 = 6751^2 + 6178^2 .

It is a cyclic number.

It is not a de Polignac number, because 83743685 - 2²² = 79549381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8374364 + ... + 8374373.

It is an arithmetic number, because the mean of its divisors is an integer number (25123107).

Almost surely, 2^83743685 is an apocalyptic number.

It is an amenable number.

83743685 is a deficient number, since it is larger than the sum of its proper divisors (16748743).

83743685 is a wasteful number, since it uses less digits than its factorization.

83743685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16748742.

The product of its digits is 483840, while the sum is 44.

The square root of 83743685 is about 9151.1575770500. The cubic root of 83743685 is about 437.5060091692.

The spelling of 83743685 in words is "eighty-three million, seven hundred forty-three thousand, six hundred eighty-five".