80307733 has 8 divisors (see below), whose sum is σ = 87677856. Its totient is φ = 72949200.

The previous prime is 80307727. The next prime is 80307749. The reversal of 80307733 is 33770308.

It is the 3659-th star number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80307733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80307695 and 80307704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80307793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18510 + ... + 22432.

It is an arithmetic number, because the mean of its divisors is an integer number (10959732).

Almost surely, 2^80307733 is an apocalyptic number.

It is an amenable number.

80307733 is a deficient number, since it is larger than the sum of its proper divisors (7370123).

80307733 is a wasteful number, since it uses less digits than its factorization.

80307733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5795.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 80307733 is about 8961.4581960750. The cubic root of 80307733 is about 431.4387233081.

The spelling of 80307733 in words is "eighty million, three hundred seven thousand, seven hundred thirty-three".