7081530 has 32 divisors (see below), whose sum is σ = 17129664. Its totient is φ = 1873536.

The previous prime is 7081499. The next prime is 7081553. The reversal of 7081530 is 351807.

It is a self number, because there is not a number n which added to its sum of digits gives 7081530.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3249 + ... + 4971.

It is an arithmetic number, because the mean of its divisors is an integer number (535302).

Almost surely, 2^7081530 is an apocalyptic number.

7081530 is an abundant number, since it is smaller than the sum of its proper divisors (10048134).

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

7081530 is a wasteful number, since it uses less digits than its factorization.

7081530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 7081530 is about 2661.1144282048. The cubic root of 7081530 is about 192.0329262108.

The spelling of 7081530 in words is "seven million, eighty-one thousand, five hundred thirty".