82079420 has 24 divisors (see below), whose sum is σ = 174552000. Its totient is φ = 32415552.

The previous prime is 82079419. The next prime is 82079441. The reversal of 82079420 is 2497028.

82079420 = T₄₃₇ + T₄₃₈ + ... + T₈₃₁.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24395 + ... + 27554.

It is an arithmetic number, because the mean of its divisors is an integer number (7273000).

Almost surely, 2^82079420 is an apocalyptic number.

It is an amenable number.

82079420 is an abundant number, since it is smaller than the sum of its proper divisors (92472580).

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

82079420 is a wasteful number, since it uses less digits than its factorization.

82079420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52037 (or 52035 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 82079420 is about 9059.7693127364. The cubic root of 82079420 is about 434.5883629611.

The spelling of 82079420 in words is "eighty-two million, seventy-nine thousand, four hundred twenty".