790320 has 80 divisors (see below), whose sum is σ = 2544480. Its totient is φ = 202752.

The previous prime is 790291. The next prime is 790327. The reversal of 790320 is 23097.

It is a Cunningham number, because it is equal to 889²-1.

It is a tau number, because it is divible by the number of its divisors (80).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (790327) by changing a digit.

790320 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8836 + ... + 8924.

It is an arithmetic number, because the mean of its divisors is an integer number (31806).

2⁷⁹⁰³²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 790320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1272240).

790320 is an abundant number, since it is smaller than the sum of its proper divisors (1754160).

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

790320 is a wasteful number, since it uses less digits than its factorization.

790320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 790320 is about 888.9994375701. Note that the first 3 decimals coincide. The cubic root of 790320 is about 92.4558347720.

The spelling of 790320 in words is "seven hundred ninety thousand, three hundred twenty".