80682420 has 144 divisors (see below), whose sum is σ = 283143168. Its totient is φ = 17015040.

The previous prime is 80682401. The next prime is 80682431. The reversal of 80682420 is 2428608.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37165 + ... + 39275.

It is an arithmetic number, because the mean of its divisors is an integer number (1966272).

Almost surely, 2^80682420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80682420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141571584).

80682420 is an abundant number, since it is smaller than the sum of its proper divisors (202460748).

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

80682420 is a wasteful number, since it uses less digits than its factorization.

80682420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 80682420 is about 8982.3393389473. The cubic root of 80682420 is about 432.1086617947.

The spelling of 80682420 in words is "eighty million, six hundred eighty-two thousand, four hundred twenty".