7254720 has 168 divisors, whose sum is σ = 27340560. Its totient is φ = 1751040.

The previous prime is 7254719. The next prime is 7254743. The reversal of 7254720 is 274527.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 31566 + ... + 31794.

Almost surely, 2^7254720 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 7254720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13670280).

7254720 is an abundant number, since it is smaller than the sum of its proper divisors (20085840).

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

7254720 is a wasteful number, since it uses less digits than its factorization.

7254720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 7254720 is about 2693.4587429549. The cubic root of 7254720 is about 193.5858241561.

It can be divided in two parts, 725 and 4720, that added together give a palindrome (5445).

The spelling of 7254720 in words is "seven million, two hundred fifty-four thousand, seven hundred twenty".