7457085 has 12 divisors (see below), whose sum is σ = 12925692. Its totient is φ = 3977088.

The previous prime is 7457077. The next prime is 7457111. The reversal of 7457085 is 5807547.

7457085 is a `hidden beast` number, since 7 + 4 + 570 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5846724 + 1610361 = 2418^2 + 1269^2 .

It is not a de Polignac number, because 7457085 - 2³ = 7457077 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82812 + ... + 82901.

It is an arithmetic number, because the mean of its divisors is an integer number (1077141).

Almost surely, 2^7457085 is an apocalyptic number.

It is an amenable number.

7457085 is a deficient number, since it is larger than the sum of its proper divisors (5468607).

7457085 is a wasteful number, since it uses less digits than its factorization.

7457085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165724 (or 165721 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 7457085 is about 2730.7663759465. The cubic root of 7457085 is about 195.3693198099.

The spelling of 7457085 in words is "seven million, four hundred fifty-seven thousand, eighty-five".