80734228 has 6 divisors (see below), whose sum is σ = 141284906. Its totient is φ = 40367112.

The previous prime is 80734193. The next prime is 80734253. The reversal of 80734228 is 82243708.

It can be written as a sum of positive squares in only one way, i.e., 69255684 + 11478544 = 8322^2 + 3388^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80734193 and 80734202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10091775 + ... + 10091782.

Almost surely, 2^80734228 is an apocalyptic number.

It is an amenable number.

80734228 is a deficient number, since it is larger than the sum of its proper divisors (60550678).

80734228 is a wasteful number, since it uses less digits than its factorization.

80734228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20183561 (or 20183559 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 80734228 is about 8985.2227573945. Note that the first 3 decimals coincide. The cubic root of 80734228 is about 432.2011309084.

The spelling of 80734228 in words is "eighty million, seven hundred thirty-four thousand, two hundred twenty-eight".