80407320 has 64 divisors (see below), whose sum is σ = 275685120. Its totient is φ = 18378624.

The previous prime is 80407309. The next prime is 80407321. The reversal of 80407320 is 2370408.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80407321) 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 15 ways as a sum of consecutive naturals, for example, 47022 + ... + 48701.

It is an arithmetic number, because the mean of its divisors is an integer number (4307580).

Almost surely, 2^80407320 is an apocalyptic number.

It is an amenable number.

80407320 is an abundant number, since it is smaller than the sum of its proper divisors (195277800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80407320 is a wasteful number, since it uses less digits than its factorization.

80407320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95744 (or 95740 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 80407320 is about 8967.0128805528. The cubic root of 80407320 is about 431.6169873376.

Adding to 80407320 its reverse (2370408), we get a palindrome (82777728).

The spelling of 80407320 in words is "eighty million, four hundred seven thousand, three hundred twenty".