80334721 has 8 divisors (see below), whose sum is σ = 81454464. Its totient is φ = 79221120.

The previous prime is 80334701. The next prime is 80334757. The reversal of 80334721 is 12743308.

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 80334721 - 2⁵ = 80334689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80334721.

It is not an unprimeable number, because it can be changed into a prime (80334701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28836 + ... + 31498.

It is an arithmetic number, because the mean of its divisors is an integer number (10181808).

Almost surely, 2^80334721 is an apocalyptic number.

It is an amenable number.

80334721 is a deficient number, since it is larger than the sum of its proper divisors (1119743).

80334721 is a wasteful number, since it uses less digits than its factorization.

80334721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 80334721 is about 8962.9638513161. The cubic root of 80334721 is about 431.4870472729.

The spelling of 80334721 in words is "eighty million, three hundred thirty-four thousand, seven hundred twenty-one".