7457272 has 32 divisors (see below), whose sum is σ = 14947200. Its totient is φ = 3477600.

The previous prime is 7457269. The next prime is 7457273. The reversal of 7457272 is 2727547.

7457272 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×7457272² = 111221811363968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7457273) 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 7 ways as a sum of consecutive naturals, for example, 10447 + ... + 11137.

It is an arithmetic number, because the mean of its divisors is an integer number (467100).

Almost surely, 2^7457272 is an apocalyptic number.

It is an amenable number.

7457272 is an abundant number, since it is smaller than the sum of its proper divisors (7489928).

7457272 is a wasteful number, since it uses less digits than its factorization.

7457272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 783 counting only the distinct ones).

The product of its digits is 27440, while the sum is 34.

The square root of 7457272 is about 2730.8006152043. The cubic root of 7457272 is about 195.3709528768.

The spelling of 7457272 in words is "seven million, four hundred fifty-seven thousand, two hundred seventy-two".