83600749 has 4 divisors (see below), whose sum is σ = 83619040. Its totient is φ = 83582460.

The previous prime is 83600719. The next prime is 83600753. The reversal of 83600749 is 94700638.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94700638 = 2 ⋅47350319.

It is a cyclic number.

It is not a de Polignac number, because 83600749 - 2⁵ = 83600717 is a prime.

It is a super-2 number, since 2×83600749² = 13978170466722002, 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 (83600719) by changing a digit.

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, 4312 + ... + 13630.

It is an arithmetic number, because the mean of its divisors is an integer number (20904760).

Almost surely, 2^83600749 is an apocalyptic number.

It is an amenable number.

83600749 is a deficient number, since it is larger than the sum of its proper divisors (18291).

83600749 is an equidigital number, since it uses as much as digits as its factorization.

83600749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18290.

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

The square root of 83600749 is about 9143.3445193758. The cubic root of 83600749 is about 437.2569516961.

The spelling of 83600749 in words is "eighty-three million, six hundred thousand, seven hundred forty-nine".