7130000 has 100 divisors (see below), whose sum is σ = 18594048. Its totient is φ = 2640000.

The previous prime is 7129877. The next prime is 7130003. The reversal of 7130000 is 317.

It is a tau number, because it is divible by the number of its divisors (100).

It is not an unprimeable number, because it can be changed into a prime (7130003) 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 19 ways as a sum of consecutive naturals, for example, 229985 + ... + 230015.

Almost surely, 2^7130000 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 7130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9297024).

7130000 is an abundant number, since it is smaller than the sum of its proper divisors (11464048).

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

7130000 is a wasteful number, since it uses less digits than its factorization.

7130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 21, while the sum is 11.

The square root of 7130000 is about 2670.2059845637. The cubic root of 7130000 is about 192.4700577480.

Adding to 7130000 its reverse (317), we get a palindrome (7130317).

The spelling of 7130000 in words is "seven million, one hundred thirty thousand".