7273000 has 64 divisors (see below), whose sum is σ = 19468800. Its totient is φ = 2491200.

The previous prime is 7272971. The next prime is 7273001. The reversal of 7273000 is 3727.

It is not an unprimeable number, because it can be changed into a prime (7273001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6481 + ... + 7519.

It is an arithmetic number, because the mean of its divisors is an integer number (304200).

Almost surely, 2^7273000 is an apocalyptic number.

7273000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7273000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9734400).

7273000 is an abundant number, since it is smaller than the sum of its proper divisors (12195800).

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

7273000 is a wasteful number, since it uses less digits than its factorization.

7273000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 19.

The square root of 7273000 is about 2696.8500143686. The cubic root of 7273000 is about 193.7482830233.

Multiplying 7273000 by its sum of digits (19), we get a triangular number (138187000 = T₁₆₆₂₄).

Adding to 7273000 its reverse (3727), we get a palindrome (7276727).

The spelling of 7273000 in words is "seven million, two hundred seventy-three thousand".