82642432 has 20 divisors (see below), whose sum is σ = 165124476. Its totient is φ = 41320960.

The previous prime is 82642411. The next prime is 82642459. The reversal of 82642432 is 23424628.

It is a junction number, because it is equal to n+sod(n) for n = 82642394 and 82642403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80194 + ... + 81217.

Almost surely, 2^82642432 is an apocalyptic number.

It is an amenable number.

82642432 is a deficient number, since it is larger than the sum of its proper divisors (82482044).

82642432 is an equidigital number, since it uses as much as digits as its factorization.

82642432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161429 (or 161413 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 82642432 is about 9090.7883046521. The cubic root of 82642432 is about 435.5797651097.

The spelling of 82642432 in words is "eighty-two million, six hundred forty-two thousand, four hundred thirty-two".