797040 has 120 divisors (see below), whose sum is σ = 2843568. Its totient is φ = 207360.

The previous prime is 797039. The next prime is 797051. The reversal of 797040 is 40797.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a nialpdrome in base 3.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 796995 and 797013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19420 + ... + 19460.

2⁷⁹⁷⁰⁴⁰ 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 797040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1421784).

797040 is an abundant number, since it is smaller than the sum of its proper divisors (2046528).

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

797040 is a wasteful number, since it uses less digits than its factorization.

797040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 797040 is about 892.7709672699. The cubic root of 797040 is about 92.7171426493.

Multiplying 797040 by its sum of digits (27), we get a triangular number (21520080 = T₆₅₆₀).

The spelling of 797040 in words is "seven hundred ninety-seven thousand, forty".