80934745 has 8 divisors (see below), whose sum is σ = 97311240. Its totient is φ = 64621440.

The previous prime is 80934719. The next prime is 80934751. The reversal of 80934745 is 54743908.

It can be written as a sum of positive squares in 4 ways, for example, as 4756761 + 76177984 = 2181^2 + 8728^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80934745 - 2¹¹ = 80932697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80934698 and 80934707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12930 + ... + 18139.

It is an arithmetic number, because the mean of its divisors is an integer number (12163905).

Almost surely, 2^80934745 is an apocalyptic number.

It is an amenable number.

80934745 is a deficient number, since it is larger than the sum of its proper divisors (16376495).

80934745 is a wasteful number, since it uses less digits than its factorization.

80934745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31595.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 80934745 is about 8996.3739917814. The cubic root of 80934745 is about 432.5586497585.

The spelling of 80934745 in words is "eighty million, nine hundred thirty-four thousand, seven hundred forty-five".