7668135 has 32 divisors (see below), whose sum is σ = 13824000. Its totient is φ = 4032288.

The previous prime is 7668113. The next prime is 7668137. The reversal of 7668135 is 5318667.

7668135 = T₃₉₄ + T₃₉₅ + ... + T₄₇₄.

It is not a de Polignac number, because 7668135 - 2⁷ = 7668007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7668135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10306 + ... + 11024.

It is an arithmetic number, because the mean of its divisors is an integer number (432000).

Almost surely, 2^7668135 is an apocalyptic number.

7668135 is a deficient number, since it is larger than the sum of its proper divisors (6155865).

7668135 is a wasteful number, since it uses less digits than its factorization.

7668135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 806 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 7668135 is about 2769.1397581198. The cubic root of 7668135 is about 197.1953107792.

The spelling of 7668135 in words is "seven million, six hundred sixty-eight thousand, one hundred thirty-five".