7133868 has 36 divisors (see below), whose sum is σ = 20609680. Its totient is φ = 2038176.

The previous prime is 7133857. The next prime is 7133869. The reversal of 7133868 is 8683317.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7133869) 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 11 ways as a sum of consecutive naturals, for example, 13903 + ... + 14406.

Almost surely, 2^7133868 is an apocalyptic number.

It is an amenable number.

7133868 is an abundant number, since it is smaller than the sum of its proper divisors (13475812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7133868 is a wasteful number, since it uses less digits than its factorization.

7133868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28326 (or 28321 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 7133868 is about 2670.9301750514. The cubic root of 7133868 is about 192.5048562333.

It can be divided in two parts, 7133 and 868, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 7133868 in words is "seven million, one hundred thirty-three thousand, eight hundred sixty-eight".