80734285 has 4 divisors (see below), whose sum is σ = 96881148. Its totient is φ = 64587424.

The previous prime is 80734279. The next prime is 80734307. The reversal of 80734285 is 58243708.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48038761 + 32695524 = 6931^2 + 5718^2 .

It is a cyclic number.

It is not a de Polignac number, because 80734285 - 2⁵ = 80734253 is a prime.

It is a super-2 number, since 2×80734285² = 13036049548922450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8073424 + ... + 8073433.

It is an arithmetic number, because the mean of its divisors is an integer number (24220287).

Almost surely, 2^80734285 is an apocalyptic number.

It is an amenable number.

80734285 is a deficient number, since it is larger than the sum of its proper divisors (16146863).

80734285 is a wasteful number, since it uses less digits than its factorization.

80734285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16146862.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 80734285 is about 8985.2259292686. The cubic root of 80734285 is about 432.2012326226.

The spelling of 80734285 in words is "eighty million, seven hundred thirty-four thousand, two hundred eighty-five".