7285645 has 16 divisors (see below), whose sum is σ = 9383040. Its totient is φ = 5413824.

The previous prime is 7285643. The next prime is 7285661. The reversal of 7285645 is 5465827.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7285645 - 2¹ = 7285643 is a prime.

It is a super-3 number, since 3×7285645³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7285643) 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, 4312 + ... + 5758.

It is an arithmetic number, because the mean of its divisors is an integer number (586440).

Almost surely, 2^7285645 is an apocalyptic number.

It is an amenable number.

7285645 is a deficient number, since it is larger than the sum of its proper divisors (2097395).

7285645 is a wasteful number, since it uses less digits than its factorization.

7285645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524.

The product of its digits is 67200, while the sum is 37.

The square root of 7285645 is about 2699.1933980358. The cubic root of 7285645 is about 193.8605030409.

The spelling of 7285645 in words is "seven million, two hundred eighty-five thousand, six hundred forty-five".