80734745 has 32 divisors (see below), whose sum is σ = 119992320. Its totient is φ = 50780160.

The previous prime is 80734729. The next prime is 80734769. The reversal of 80734745 is 54743708.

It is not a de Polignac number, because 80734745 - 2⁴ = 80734729 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80734699 and 80734708.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86441 + ... + 87369.

It is an arithmetic number, because the mean of its divisors is an integer number (3749760).

Almost surely, 2^80734745 is an apocalyptic number.

It is an amenable number.

80734745 is a deficient number, since it is larger than the sum of its proper divisors (39257575).

80734745 is a wasteful number, since it uses less digits than its factorization.

80734745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 80734745 is about 8985.2515268077. The cubic root of 80734745 is about 432.2020534725.

The spelling of 80734745 in words is "eighty million, seven hundred thirty-four thousand, seven hundred forty-five".