7287572 has 6 divisors (see below), whose sum is σ = 12753258. Its totient is φ = 3643784.

The previous prime is 7287571. The next prime is 7287601. The reversal of 7287572 is 2757827.

It can be written as a sum of positive squares in only one way, i.e., 4866436 + 2421136 = 2206^2 + 1556^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7287571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 910943 + ... + 910950.

It is an arithmetic number, because the mean of its divisors is an integer number (2125543).

Almost surely, 2^7287572 is an apocalyptic number.

It is an amenable number.

7287572 is a deficient number, since it is larger than the sum of its proper divisors (5465686).

7287572 is a wasteful number, since it uses less digits than its factorization.

7287572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821897 (or 1821895 counting only the distinct ones).

The product of its digits is 54880, while the sum is 38.

The square root of 7287572 is about 2699.5503329258. The cubic root of 7287572 is about 193.8775930976.

The spelling of 7287572 in words is "seven million, two hundred eighty-seven thousand, five hundred seventy-two".