80566272 has 192 divisors, whose sum is σ = 251596800. Its totient is φ = 25436160.

The previous prime is 80566259. The next prime is 80566313. The reversal of 80566272 is 27266508.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714153 + ... + 1714199.

It is an arithmetic number, because the mean of its divisors is an integer number (1310400).

Almost surely, 2^80566272 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 80566272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125798400).

80566272 is an abundant number, since it is smaller than the sum of its proper divisors (171030528).

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

80566272 is a wasteful number, since it uses less digits than its factorization.

80566272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 80566272 is about 8975.8716568365. The cubic root of 80566272 is about 431.9012119792.

The spelling of 80566272 in words is "eighty million, five hundred sixty-six thousand, two hundred seventy-two".