7668723 has 24 divisors (see below), whose sum is σ = 11052048. Its totient is φ = 4727808.

The previous prime is 7668709. The next prime is 7668757. The reversal of 7668723 is 3278667.

It is not a de Polignac number, because 7668723 - 2⁴ = 7668707 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (84672) is a multiple of the sum of its prime divisors (192).

It is not an unprimeable number, because it can be changed into a prime (7668823) 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 23 ways as a sum of consecutive naturals, for example, 79011 + ... + 79107.

It is an arithmetic number, because the mean of its divisors is an integer number (460502).

Almost surely, 2^7668723 is an apocalyptic number.

7668723 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

7668723 is a deficient number, since it is larger than the sum of its proper divisors (3383325).

7668723 is a wasteful number, since it uses less digits than its factorization.

7668723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 192 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 7668723 is about 2769.2459262406. The cubic root of 7668723 is about 197.2003510260.

The spelling of 7668723 in words is "seven million, six hundred sixty-eight thousand, seven hundred twenty-three".