7457248 has 24 divisors (see below), whose sum is σ = 14743512. Its totient is φ = 3712896.

The previous prime is 7457243. The next prime is 7457257. The reversal of 7457248 is 8427547.

It is a super-2 number, since 2×7457248² = 111221095467008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7457243) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12411 + ... + 12997.

It is an arithmetic number, because the mean of its divisors is an integer number (614313).

Almost surely, 2^7457248 is an apocalyptic number.

It is an amenable number.

7457248 is a deficient number, since it is larger than the sum of its proper divisors (7286264).

7457248 is a wasteful number, since it uses less digits than its factorization.

7457248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 986 counting only the distinct ones).

The product of its digits is 62720, while the sum is 37.

The square root of 7457248 is about 2730.7962208850. The cubic root of 7457248 is about 195.3707432869.

Subtracting 7457248 from its reverse (8427547), we obtain a cube (970299 = 99³).

The spelling of 7457248 in words is "seven million, four hundred fifty-seven thousand, two hundred forty-eight".