80217272 has 8 divisors (see below), whose sum is σ = 150407400. Its totient is φ = 40108632.

The previous prime is 80217251. The next prime is 80217283. The reversal of 80217272 is 27271208.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5013572 + ... + 5013587.

It is an arithmetic number, because the mean of its divisors is an integer number (18800925).

Almost surely, 2^80217272 is an apocalyptic number.

It is an amenable number.

80217272 is a deficient number, since it is larger than the sum of its proper divisors (70190128).

80217272 is a wasteful number, since it uses less digits than its factorization.

80217272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10027165 (or 10027161 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 80217272 is about 8956.4095484742. The cubic root of 80217272 is about 431.2766673420.

The spelling of 80217272 in words is "eighty million, two hundred seventeen thousand, two hundred seventy-two".