7457285 has 16 divisors (see below), whose sum is σ = 10003392. Its totient is φ = 5289600.

The previous prime is 7457279. The next prime is 7457287. The reversal of 7457285 is 5827547.

7457285 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7457285 - 2⁴ = 7457269 is a prime.

It is a super-2 number, since 2×7457285² = 111222199142450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7457287) 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, 602 + ... + 3908.

It is an arithmetic number, because the mean of its divisors is an integer number (625212).

Almost surely, 2^7457285 is an apocalyptic number.

It is an amenable number.

7457285 is a deficient number, since it is larger than the sum of its proper divisors (2546107).

7457285 is a wasteful number, since it uses less digits than its factorization.

7457285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364.

The product of its digits is 78400, while the sum is 38.

The square root of 7457285 is about 2730.8029954576. The cubic root of 7457285 is about 195.3710664045.

The spelling of 7457285 in words is "seven million, four hundred fifty-seven thousand, two hundred eighty-five".