83306642 has 8 divisors (see below), whose sum is σ = 125411916. Its totient is φ = 41502672.

The previous prime is 83306633. The next prime is 83306653. The reversal of 83306642 is 24660338.

It can be written as a sum of positive squares in 2 ways, for example, as 66896041 + 16410601 = 8179^2 + 4051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 83306599 and 83306608.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 74633 + ... + 75740.

Almost surely, 2^83306642 is an apocalyptic number.

83306642 is a deficient number, since it is larger than the sum of its proper divisors (42105274).

83306642 is a wasteful number, since it uses less digits than its factorization.

83306642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150652.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 83306642 is about 9127.2472301346. The cubic root of 83306642 is about 436.7435933336.

The spelling of 83306642 in words is "eighty-three million, three hundred six thousand, six hundred forty-two".