7197028 has 12 divisors (see below), whose sum is σ = 12645612. Its totient is φ = 3584000.

The previous prime is 7197023. The next prime is 7197031. The reversal of 7197028 is 8207917.

7197028 = 22² + 23² + ... + 278².

It can be written as a sum of positive squares in 2 ways, for example, as 5579044 + 1617984 = 2362^2 + 1272^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7196984 and 7197002.

It is not an unprimeable number, because it can be changed into a prime (7197023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2473 + ... + 4528.

It is an arithmetic number, because the mean of its divisors is an integer number (1053801).

Almost surely, 2^7197028 is an apocalyptic number.

It is an amenable number.

7197028 is a deficient number, since it is larger than the sum of its proper divisors (5448584).

7197028 is a wasteful number, since it uses less digits than its factorization.

7197028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7262 (or 7260 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 7197028 is about 2682.7277163365. The cubic root of 7197028 is about 193.0713044271.

The spelling of 7197028 in words is "seven million, one hundred ninety-seven thousand, twenty-eight".