774320 has 20 divisors (see below), whose sum is σ = 1800480. Its totient is φ = 309696.

The previous prime is 774317. The next prime is 774337. The reversal of 774320 is 23477.

It is a tau number, because it is divible by the number of its divisors (20).

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4760 + ... + 4919.

It is an arithmetic number, because the mean of its divisors is an integer number (90024).

2⁷⁷⁴³²⁰ is an apocalyptic number.

It is an amenable number.

774320 is an abundant number, since it is smaller than the sum of its proper divisors (1026160).

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

774320 is a wasteful number, since it uses less digits than its factorization.

774320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9692 (or 9686 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 774320 is about 879.9545442806. The cubic root of 774320 is about 91.8276546595.

Adding to 774320 its reverse (23477), we get a palindrome (797797).

The spelling of 774320 in words is "seven hundred seventy-four thousand, three hundred twenty", and thus it is an iban number.