7057645 has 16 divisors (see below), whose sum is σ = 10189440. Its totient is φ = 4584384.

The previous prime is 7057637. The next prime is 7057649. The reversal of 7057645 is 5467507.

It is not a de Polignac number, because 7057645 - 2³ = 7057637 is a prime.

It is a super-3 number, since 3×7057645³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7057645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7057649) 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, 4642 + ... + 5971.

It is an arithmetic number, because the mean of its divisors is an integer number (636840).

Almost surely, 2^7057645 is an apocalyptic number.

It is an amenable number.

7057645 is a deficient number, since it is larger than the sum of its proper divisors (3131795).

7057645 is a wasteful number, since it uses less digits than its factorization.

7057645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10644.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 7057645 is about 2656.6228561841. The cubic root of 7057645 is about 191.8167830469.

The spelling of 7057645 in words is "seven million, fifty-seven thousand, six hundred forty-five".