80346420 has 432 divisors, whose sum is σ = 334623744. Its totient is φ = 15206400.

The previous prime is 80346419. The next prime is 80346439. The reversal of 80346420 is 2464308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2591805 + ... + 2591835.

It is an arithmetic number, because the mean of its divisors is an integer number (774592).

Almost surely, 2^80346420 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 80346420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167311872).

80346420 is an abundant number, since it is smaller than the sum of its proper divisors (254277324).

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

80346420 is a wasteful number, since it uses less digits than its factorization.

80346420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 80346420 is about 8963.6164576581. The cubic root of 80346420 is about 431.5079918155.

The spelling of 80346420 in words is "eighty million, three hundred forty-six thousand, four hundred twenty".