80725735 has 8 divisors (see below), whose sum is σ = 97812000. Its totient is φ = 63953184.

The previous prime is 80725703. The next prime is 80725769. The reversal of 80725735 is 53752708.

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

It is a cyclic number.

It is not a de Polignac number, because 80725735 - 2⁵ = 80725703 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80725694 and 80725703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77860 + ... + 78889.

It is an arithmetic number, because the mean of its divisors is an integer number (12226500).

Almost surely, 2^80725735 is an apocalyptic number.

80725735 is a deficient number, since it is larger than the sum of its proper divisors (17086265).

80725735 is a wasteful number, since it uses less digits than its factorization.

80725735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156857.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 80725735 is about 8984.7501356465. The cubic root of 80725735 is about 432.1859749536.

The spelling of 80725735 in words is "eighty million, seven hundred twenty-five thousand, seven hundred thirty-five".