83712634 has 4 divisors (see below), whose sum is σ = 125568954. Its totient is φ = 41856316.

The previous prime is 83712623. The next prime is 83712653. The reversal of 83712634 is 43621738.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61669609 + 22043025 = 7853^2 + 4695^2 .

It is a super-3 number, since 3×83712634³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83712634.

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 as a sum of consecutive naturals, namely, 20928157 + ... + 20928160.

Almost surely, 2^83712634 is an apocalyptic number.

83712634 is a deficient number, since it is larger than the sum of its proper divisors (41856320).

83712634 is a wasteful number, since it uses less digits than its factorization.

83712634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41856319.

The product of its digits is 24192, while the sum is 34.

The square root of 83712634 is about 9149.4608584331. The cubic root of 83712634 is about 437.4519287591.

The spelling of 83712634 in words is "eighty-three million, seven hundred twelve thousand, six hundred thirty-four".