7273130 has 8 divisors (see below), whose sum is σ = 13091652. Its totient is φ = 2909248.

The previous prime is 7273099. The next prime is 7273151. The reversal of 7273130 is 313727.

It can be written as a sum of positive squares in 2 ways, for example, as 6056521 + 1216609 = 2461^2 + 1103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7273096 and 7273105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363647 + ... + 363666.

Almost surely, 2^7273130 is an apocalyptic number.

7273130 is a deficient number, since it is larger than the sum of its proper divisors (5818522).

7273130 is a wasteful number, since it uses less digits than its factorization.

7273130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727320.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 7273130 is about 2696.8741164541. The cubic root of 7273130 is about 193.7494373900.

Adding to 7273130 its reverse (313727), we get a palindrome (7586857).

The spelling of 7273130 in words is "seven million, two hundred seventy-three thousand, one hundred thirty".