7257472 has 48 divisors (see below), whose sum is σ = 15192900. Its totient is φ = 3452160.

The previous prime is 7257469. The next prime is 7257491. The reversal of 7257472 is 2747527.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122979 + ... + 123037.

Almost surely, 2^7257472 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 7257472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7596450).

7257472 is an abundant number, since it is smaller than the sum of its proper divisors (7935428).

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

7257472 is an equidigital number, since it uses as much as digits as its factorization.

7257472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 92 counting only the distinct ones).

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

The square root of 7257472 is about 2693.9695618177. The cubic root of 7257472 is about 193.6102992950.

The spelling of 7257472 in words is "seven million, two hundred fifty-seven thousand, four hundred seventy-two".