7797420 has 36 divisors (see below), whose sum is σ = 23652720. Its totient is φ = 2079264.

The previous prime is 7797401. The next prime is 7797451. The reversal of 7797420 is 247977.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21480 + ... + 21839.

It is an arithmetic number, because the mean of its divisors is an integer number (657020).

Almost surely, 2^7797420 is an apocalyptic number.

It is an amenable number.

7797420 is an abundant number, since it is smaller than the sum of its proper divisors (15855300).

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

7797420 is a wasteful number, since it uses less digits than its factorization.

7797420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43334 (or 43329 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 7797420 is about 2792.3860764586. The cubic root of 7797420 is about 198.2973798884.

The spelling of 7797420 in words is "seven million, seven hundred ninety-seven thousand, four hundred twenty".