7117420 has 24 divisors (see below), whose sum is σ = 15019200. Its totient is φ = 2833152.

The previous prime is 7117417. The next prime is 7117421. The reversal of 7117420 is 247117.

7117420 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 7117391 and 7117400.

It is not an unprimeable number, because it can be changed into a prime (7117421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4036 + ... + 5524.

It is an arithmetic number, because the mean of its divisors is an integer number (625800).

Almost surely, 2^7117420 is an apocalyptic number.

It is an amenable number.

7117420 is an abundant number, since it is smaller than the sum of its proper divisors (7901780).

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

7117420 is a wasteful number, since it uses less digits than its factorization.

7117420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737 (or 1735 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 7117420 is about 2667.8493210824. The cubic root of 7117420 is about 192.3567946000.

The spelling of 7117420 in words is "seven million, one hundred seventeen thousand, four hundred twenty".