7061636 has 12 divisors (see below), whose sum is σ = 12393612. Its totient is φ = 3520608.

The previous prime is 7061633. The next prime is 7061641. The reversal of 7061636 is 6361607.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2464900 + 4596736 = 1570^2 + 2144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7061599 and 7061608.

It is not an unprimeable number, because it can be changed into a prime (7061633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875 + ... + 3858.

It is an arithmetic number, because the mean of its divisors is an integer number (1032801).

Almost surely, 2^7061636 is an apocalyptic number.

It is an amenable number.

7061636 is a deficient number, since it is larger than the sum of its proper divisors (5331976).

7061636 is a wasteful number, since it uses less digits than its factorization.

7061636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110 (or 5108 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 7061636 is about 2657.3738916457. The cubic root of 7061636 is about 191.8529328072.

Subtracting from 7061636 its sum of digits (29), we obtain a palindrome (7061607).

The spelling of 7061636 in words is "seven million, sixty-one thousand, six hundred thirty-six".