7649617 has 2 divisors, whose sum is σ = 7649618. Its totient is φ = 7649616.

The previous prime is 7649599. The next prime is 7649641. The reversal of 7649617 is 7169467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7420176 + 229441 = 2724^2 + 479^2 .

It is a cyclic number.

It is not a de Polignac number, because 7649617 - 2⁷ = 7649489 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7649617.

It is not a weakly prime, because it can be changed into another prime (7640617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3824808 + 3824809.

It is an arithmetic number, because the mean of its divisors is an integer number (3824809).

Almost surely, 2^7649617 is an apocalyptic number.

It is an amenable number.

7649617 is a deficient number, since it is larger than the sum of its proper divisors (1).

7649617 is an equidigital number, since it uses as much as digits as its factorization.

7649617 is an evil number, because the sum of its binary digits is even.

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

The square root of 7649617 is about 2765.7940993501. The cubic root of 7649617 is about 197.0364452829.

The spelling of 7649617 in words is "seven million, six hundred forty-nine thousand, six hundred seventeen".