7648993 has 8 divisors (see below), whose sum is σ = 8367840. Its totient is φ = 6934080.

The previous prime is 7648987. The next prime is 7649003. The reversal of 7648993 is 3998467.

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 7648993 - 2⁹ = 7648481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7648913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4393 + ... + 5881.

It is an arithmetic number, because the mean of its divisors is an integer number (1045980).

Almost surely, 2^7648993 is an apocalyptic number.

It is an amenable number.

7648993 is a deficient number, since it is larger than the sum of its proper divisors (718847).

7648993 is a wasteful number, since it uses less digits than its factorization.

7648993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967.

The product of its digits is 326592, while the sum is 46.

The square root of 7648993 is about 2765.6812903876. The cubic root of 7648993 is about 197.0310875382.

The spelling of 7648993 in words is "seven million, six hundred forty-eight thousand, nine hundred ninety-three".