83668743 has 24 divisors (see below), whose sum is σ = 123641856. Its totient is φ = 54507600.

The previous prime is 83668709. The next prime is 83668751. The reversal of 83668743 is 34786638.

It is not a de Polignac number, because 83668743 - 2⁹ = 83668231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83668763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80638 + ... + 81668.

It is an arithmetic number, because the mean of its divisors is an integer number (5151744).

Almost surely, 2^83668743 is an apocalyptic number.

83668743 is a deficient number, since it is larger than the sum of its proper divisors (39973113).

83668743 is a wasteful number, since it uses less digits than its factorization.

83668743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 1232 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 83668743 is about 9147.0619873269. The cubic root of 83668743 is about 437.3754625665.

The spelling of 83668743 in words is "eighty-three million, six hundred sixty-eight thousand, seven hundred forty-three".