7440685 has 32 divisors (see below), whose sum is σ = 10967040. Its totient is φ = 4732992.

The previous prime is 7440659. The next prime is 7440689. The reversal of 7440685 is 5860447.

It is a cyclic number.

It is not a de Polignac number, because 7440685 - 2¹⁹ = 6916397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7440685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7440689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44472 + ... + 44638.

It is an arithmetic number, because the mean of its divisors is an integer number (342720).

Almost surely, 2^7440685 is an apocalyptic number.

It is an amenable number.

7440685 is a deficient number, since it is larger than the sum of its proper divisors (3526355).

7440685 is a wasteful number, since it uses less digits than its factorization.

7440685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 7440685 is about 2727.7619030993. The cubic root of 7440685 is about 195.2259926447.

The spelling of 7440685 in words is "seven million, four hundred forty thousand, six hundred eighty-five".