80734185 has 64 divisors (see below), whose sum is σ = 168537600. Its totient is φ = 35894016.

The previous prime is 80734169. The next prime is 80734189. The reversal of 80734185 is 58143708.

It is not a de Polignac number, because 80734185 - 2⁴ = 80734169 is a prime.

It is a super-2 number, since 2×80734185² = 13036017255228450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80734189) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33811 + ... + 36119.

It is an arithmetic number, because the mean of its divisors is an integer number (2633400).

Almost surely, 2^80734185 is an apocalyptic number.

It is an amenable number.

80734185 is an abundant number, since it is smaller than the sum of its proper divisors (87803415).

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

80734185 is a wasteful number, since it uses less digits than its factorization.

80734185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2361 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 80734185 is about 8985.2203645765. The cubic root of 80734185 is about 432.2010541766.

The spelling of 80734185 in words is "eighty million, seven hundred thirty-four thousand, one hundred eighty-five".