83312726 has 16 divisors (see below), whose sum is σ = 142940160. Its totient is φ = 35675880.

The previous prime is 83312711. The next prime is 83312729. The reversal of 83312726 is 62721338.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83312692 and 83312701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83312729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28145 + ... + 30963.

It is an arithmetic number, because the mean of its divisors is an integer number (8933760).

Almost surely, 2^83312726 is an apocalyptic number.

83312726 is a deficient number, since it is larger than the sum of its proper divisors (59627434).

83312726 is a wasteful number, since it uses less digits than its factorization.

83312726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4939.

The product of its digits is 12096, while the sum is 32.

The square root of 83312726 is about 9127.5805118334. The cubic root of 83312726 is about 436.7542250723.

The spelling of 83312726 in words is "eighty-three million, three hundred twelve thousand, seven hundred twenty-six".