61027636 has 6 divisors (see below), whose sum is σ = 106798370. Its totient is φ = 30513816.

The previous prime is 61027619. The next prime is 61027643. The reversal of 61027636 is 63672016.

61027636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 54110736 + 6916900 = 7356^2 + 2630^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61027598 and 61027607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7628451 + ... + 7628458.

Almost surely, 2^61027636 is an apocalyptic number.

It is an amenable number.

61027636 is a deficient number, since it is larger than the sum of its proper divisors (45770734).

61027636 is a wasteful number, since it uses less digits than its factorization.

61027636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15256913 (or 15256911 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 61027636 is about 7812.0186891738. The cubic root of 61027636 is about 393.7091568957.

The spelling of 61027636 in words is "sixty-one million, twenty-seven thousand, six hundred thirty-six".