83043740 has 24 divisors (see below), whose sum is σ = 187807200. Its totient is φ = 30662208.

The previous prime is 83043703. The next prime is 83043757. The reversal of 83043740 is 4734038.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159440 + ... + 159959.

It is an arithmetic number, because the mean of its divisors is an integer number (7825300).

Almost surely, 2^83043740 is an apocalyptic number.

It is an amenable number.

83043740 is an abundant number, since it is smaller than the sum of its proper divisors (104763460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83043740 is a wasteful number, since it uses less digits than its factorization.

83043740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319421 (or 319419 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 83043740 is about 9112.8338073291. The cubic root of 83043740 is about 436.2836789788.

Adding to 83043740 its reverse (4734038), we get a palindrome (87777778).

The spelling of 83043740 in words is "eighty-three million, forty-three thousand, seven hundred forty".