7197420 has 48 divisors (see below), whose sum is σ = 20321280. Its totient is φ = 1903296.

The previous prime is 7197419. The next prime is 7197431. The reversal of 7197420 is 247917.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7909 + ... + 8771.

It is an arithmetic number, because the mean of its divisors is an integer number (423360).

Almost surely, 2^7197420 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 7197420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10160640).

7197420 is an abundant number, since it is smaller than the sum of its proper divisors (13123860).

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

7197420 is a wasteful number, since it uses less digits than its factorization.

7197420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 7197420 is about 2682.8007753093. The cubic root of 7197420 is about 193.0748096970.

The spelling of 7197420 in words is "seven million, one hundred ninety-seven thousand, four hundred twenty".