82835642 has 4 divisors (see below), whose sum is σ = 124253466. Its totient is φ = 41417820.

The previous prime is 82835633. The next prime is 82835653. The reversal of 82835642 is 24653828.

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., 77070841 + 5764801 = 8779^2 + 2401^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82835596 and 82835605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20708909 + ... + 20708912.

Almost surely, 2^82835642 is an apocalyptic number.

82835642 is a deficient number, since it is larger than the sum of its proper divisors (41417824).

82835642 is a wasteful number, since it uses less digits than its factorization.

82835642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41417823.

The product of its digits is 92160, while the sum is 38.

The square root of 82835642 is about 9101.4087920497. The cubic root of 82835642 is about 435.9189486853.

The spelling of 82835642 in words is "eighty-two million, eight hundred thirty-five thousand, six hundred forty-two".