7045636 has 48 divisors (see below), whose sum is σ = 14281344. Its totient is φ = 3015936.

The previous prime is 7045631. The next prime is 7045639. The reversal of 7045636 is 6365407.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7045598 and 7045607.

It is not an unprimeable number, because it can be changed into a prime (7045631) 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, 51360 + ... + 51496.

It is an arithmetic number, because the mean of its divisors is an integer number (297528).

Almost surely, 2^7045636 is an apocalyptic number.

It is an amenable number.

7045636 is an abundant number, since it is smaller than the sum of its proper divisors (7235708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7045636 is a wasteful number, since it uses less digits than its factorization.

7045636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 7045636 is about 2654.3616935150. The cubic root of 7045636 is about 191.7079254174.

The spelling of 7045636 in words is "seven million, forty-five thousand, six hundred thirty-six".