7480397 has 2 divisors, whose sum is σ = 7480398. Its totient is φ = 7480396.

The previous prime is 7480351. The next prime is 7480411. The reversal of 7480397 is 7930847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4116841 + 3363556 = 2029^2 + 1834^2 .

It is a cyclic number.

It is not a de Polignac number, because 7480397 - 2¹⁴ = 7464013 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7480397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7480307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3740198 + 3740199.

It is an arithmetic number, because the mean of its divisors is an integer number (3740199).

Almost surely, 2^7480397 is an apocalyptic number.

It is an amenable number.

7480397 is a deficient number, since it is larger than the sum of its proper divisors (1).

7480397 is an equidigital number, since it uses as much as digits as its factorization.

7480397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 7480397 is about 2735.0314440606. The cubic root of 7480397 is about 195.5726929258.

The spelling of 7480397 in words is "seven million, four hundred eighty thousand, three hundred ninety-seven".