7129868 has 12 divisors (see below), whose sum is σ = 13211352. Its totient is φ = 3355200.

The previous prime is 7129861. The next prime is 7129877. The reversal of 7129868 is 8689217.

It is not an unprimeable number, because it can be changed into a prime (7129861) 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 3 ways as a sum of consecutive naturals, for example, 52358 + ... + 52493.

It is an arithmetic number, because the mean of its divisors is an integer number (1100946).

Almost surely, 2^7129868 is an apocalyptic number.

It is an amenable number.

7129868 is a deficient number, since it is larger than the sum of its proper divisors (6081484).

7129868 is a wasteful number, since it uses less digits than its factorization.

7129868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104872 (or 104870 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 7129868 is about 2670.1812672551. The cubic root of 7129868 is about 192.4688699872.

It can be divided in two parts, 7129 and 868, that added together give a palindrome (7997).

The spelling of 7129868 in words is "seven million, one hundred twenty-nine thousand, eight hundred sixty-eight".