7649651 has 2 divisors, whose sum is σ = 7649652. Its totient is φ = 7649650.

The previous prime is 7649641. The next prime is 7649671. The reversal of 7649651 is 1569467.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7649651 - 2¹⁴ = 7633267 is a prime.

It is not a weakly prime, because it can be changed into another prime (7649641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3824825 + 3824826.

It is an arithmetic number, because the mean of its divisors is an integer number (3824826).

Almost surely, 2^7649651 is an apocalyptic number.

7649651 is a deficient number, since it is larger than the sum of its proper divisors (1).

7649651 is an equidigital number, since it uses as much as digits as its factorization.

7649651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 7649651 is about 2765.8002458601. The cubic root of 7649651 is about 197.0367372029.

The spelling of 7649651 in words is "seven million, six hundred forty-nine thousand, six hundred fifty-one".