7068397 has 6 divisors (see below), whose sum is σ = 8222478. Its totient is φ = 6058584.

The previous prime is 7068389. The next prime is 7068421. The reversal of 7068397 is 7938607.

It can be written as a sum of positive squares in only one way, i.e., 7001316 + 67081 = 2646^2 + 259^2 .

It is not a de Polignac number, because 7068397 - 2³ = 7068389 is a prime.

It is a super-2 number, since 2×7068397² = 99924472299218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7068697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72078 + ... + 72175.

It is an arithmetic number, because the mean of its divisors is an integer number (1370413).

Almost surely, 2^7068397 is an apocalyptic number.

It is an amenable number.

7068397 is a deficient number, since it is larger than the sum of its proper divisors (1154081).

7068397 is a wasteful number, since it uses less digits than its factorization.

7068397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144267 (or 144260 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 7068397 is about 2658.6457078746. The cubic root of 7068397 is about 191.9141416609.

The spelling of 7068397 in words is "seven million, sixty-eight thousand, three hundred ninety-seven".