7620497 has 2 divisors, whose sum is σ = 7620498. Its totient is φ = 7620496.

The previous prime is 7620491. The next prime is 7620523. The reversal of 7620497 is 7940267.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7447441 + 173056 = 2729^2 + 416^2 .

It is a cyclic number.

It is not a de Polignac number, because 7620497 - 2⁸ = 7620241 is a prime.

It is not a weakly prime, because it can be changed into another prime (7620491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3810248 + 3810249.

It is an arithmetic number, because the mean of its divisors is an integer number (3810249).

Almost surely, 2^7620497 is an apocalyptic number.

It is an amenable number.

7620497 is a deficient number, since it is larger than the sum of its proper divisors (1).

7620497 is an equidigital number, since it uses as much as digits as its factorization.

7620497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 7620497 is about 2760.5247689525. The cubic root of 7620497 is about 196.7861060679.

The spelling of 7620497 in words is "seven million, six hundred twenty thousand, four hundred ninety-seven".