83749312 has 14 divisors (see below), whose sum is σ = 166190168. Its totient is φ = 41874624.

The previous prime is 83749297. The next prime is 83749313. The reversal of 83749312 is 21394738.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83749313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654228 + ... + 654355.

Almost surely, 2^83749312 is an apocalyptic number.

It is an amenable number.

83749312 is a deficient number, since it is larger than the sum of its proper divisors (82440856).

83749312 is a wasteful number, since it uses less digits than its factorization.

83749312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308595 (or 1308585 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 83749312 is about 9151.4650193289. The cubic root of 83749312 is about 437.5158080819.

The spelling of 83749312 in words is "eighty-three million, seven hundred forty-nine thousand, three hundred twelve".