797520 has 40 divisors (see below), whose sum is σ = 2473056. Its totient is φ = 212608.

The previous prime is 797509. The next prime is 797539. The reversal of 797520 is 25797.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 797520.

It is an unprimeable number.

797520 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 7 ways as a sum of consecutive naturals, for example, 1422 + ... + 1901.

2⁷⁹⁷⁵²⁰ is an apocalyptic number.

It is an amenable number.

797520 is an abundant number, since it is smaller than the sum of its proper divisors (1675536).

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

797520 is a wasteful number, since it uses less digits than its factorization.

797520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339 (or 3333 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 797520 is about 893.0397527546. The cubic root of 797520 is about 92.7357512083.

The spelling of 797520 in words is "seven hundred ninety-seven thousand, five hundred twenty".