7129968 has 40 divisors (see below), whose sum is σ = 18637200. Its totient is φ = 2348544.

The previous prime is 7129877. The next prime is 7130003. The reversal of 7129968 is 8699217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3438 + ... + 5106.

It is an arithmetic number, because the mean of its divisors is an integer number (465930).

Almost surely, 2^7129968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7129968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9318600).

7129968 is an abundant number, since it is smaller than the sum of its proper divisors (11507232).

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

7129968 is a wasteful number, since it uses less digits than its factorization.

7129968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1763 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 7129968 is about 2670.1999925099. The cubic root of 7129968 is about 192.4697698074.

The spelling of 7129968 in words is "seven million, one hundred twenty-nine thousand, nine hundred sixty-eight".