7648663 has 8 divisors (see below), whose sum is σ = 8632080. Its totient is φ = 6713280.

The previous prime is 7648649. The next prime is 7648687. The reversal of 7648663 is 3668467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7648663 - 2¹³ = 7640471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7648633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11670 + ... + 12307.

It is an arithmetic number, because the mean of its divisors is an integer number (1079010).

Almost surely, 2^7648663 is an apocalyptic number.

7648663 is a deficient number, since it is larger than the sum of its proper divisors (983417).

7648663 is a wasteful number, since it uses less digits than its factorization.

7648663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24017.

The product of its digits is 145152, while the sum is 40.

The square root of 7648663 is about 2765.6216299414. The cubic root of 7648663 is about 197.0282539977.

The spelling of 7648663 in words is "seven million, six hundred forty-eight thousand, six hundred sixty-three".