82079442 has 12 divisors (see below), whose sum is σ = 177838830. Its totient is φ = 27359808.

The previous prime is 82079441. The next prime is 82079461. The reversal of 82079442 is 24497028.

82079442 is a `hidden beast` number, since 8 + 207 + 9 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 69906321 + 12173121 = 8361^2 + 3489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82079397 and 82079406.

It is not an unprimeable number, because it can be changed into a prime (82079441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2279967 + ... + 2280002.

Almost surely, 2^82079442 is an apocalyptic number.

82079442 is an abundant number, since it is smaller than the sum of its proper divisors (95759388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82079442 is a wasteful number, since it uses less digits than its factorization.

82079442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559977 (or 4559974 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 82079442 is about 9059.7705268953. The cubic root of 82079442 is about 434.5884017891.

It can be divided in two parts, 820794 and 42, that added together give a square (820836 = 906²).

The spelling of 82079442 in words is "eighty-two million, seventy-nine thousand, four hundred forty-two".