7004861636 has 12 divisors (see below), whose sum is σ = 12260391612. Its totient is φ = 3501892608.

The previous prime is 7004861519. The next prime is 7004861639. The reversal of 7004861636 is 6361684007.

It can be written as a sum of positive squares in 2 ways, for example, as 3936809536 + 3068052100 = 62744^2 + 55390^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7004861593 and 7004861602.

It is not an unprimeable number, because it can be changed into a prime (7004861639) 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, 104525 + ... + 157908.

It is an arithmetic number, because the mean of its divisors is an integer number (1021699301).

Almost surely, 2^7004861636 is an apocalyptic number.

It is an amenable number.

7004861636 is a deficient number, since it is larger than the sum of its proper divisors (5255529976).

7004861636 is a wasteful number, since it uses less digits than its factorization.

7004861636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269110 (or 269108 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 7004861636 is about 83695.0514427227. The cubic root of 7004861636 is about 1913.3739362452.

The spelling of 7004861636 in words is "seven billion, four million, eight hundred sixty-one thousand, six hundred thirty-six".