80428733 has 8 divisors (see below), whose sum is σ = 100274880. Its totient is φ = 62671680.

The previous prime is 80428721. The next prime is 80428739. The reversal of 80428733 is 33782408.

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 80428733 - 2⁶ = 80428669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80428693 and 80428702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80428739) by changing a digit.

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, 522188 + ... + 522341.

It is an arithmetic number, because the mean of its divisors is an integer number (12534360).

Almost surely, 2^80428733 is an apocalyptic number.

It is an amenable number.

80428733 is a deficient number, since it is larger than the sum of its proper divisors (19846147).

80428733 is a wasteful number, since it uses less digits than its factorization.

80428733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044547.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 80428733 is about 8968.2067884277. The cubic root of 80428733 is about 431.6552980878.

The spelling of 80428733 in words is "eighty million, four hundred twenty-eight thousand, seven hundred thirty-three".