7257572 has 48 divisors (see below), whose sum is σ = 15644160. Its totient is φ = 2875392.

The previous prime is 7257571. The next prime is 7257577. The reversal of 7257572 is 2757527.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7257571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37508 + ... + 37700.

It is an arithmetic number, because the mean of its divisors is an integer number (325920).

Almost surely, 2^7257572 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 7257572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7822080).

7257572 is an abundant number, since it is smaller than the sum of its proper divisors (8386588).

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

7257572 is a wasteful number, since it uses less digits than its factorization.

7257572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 298 counting only the distinct ones).

The product of its digits is 34300, while the sum is 35.

The square root of 7257572 is about 2693.9881217259. The cubic root of 7257572 is about 193.6111885367.

The spelling of 7257572 in words is "seven million, two hundred fifty-seven thousand, five hundred seventy-two".