7628497 has 2 divisors, whose sum is σ = 7628498. Its totient is φ = 7628496.

The previous prime is 7628483. The next prime is 7628513. The reversal of 7628497 is 7948267.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4562496 + 3066001 = 2136^2 + 1751^2 .

It is an emirp because it is prime and its reverse (7948267) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7628497 is a prime.

It is not a weakly prime, because it can be changed into another prime (7628407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3814248 + 3814249.

It is an arithmetic number, because the mean of its divisors is an integer number (3814249).

Almost surely, 2^7628497 is an apocalyptic number.

It is an amenable number.

7628497 is a deficient number, since it is larger than the sum of its proper divisors (1).

7628497 is an equidigital number, since it uses as much as digits as its factorization.

7628497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The square root of 7628497 is about 2761.9733887205. The cubic root of 7628497 is about 196.8549440223.

The spelling of 7628497 in words is "seven million, six hundred twenty-eight thousand, four hundred ninety-seven".