61412636 has 24 divisors (see below), whose sum is σ = 119785680. Its totient is φ = 27378432.

The previous prime is 61412623. The next prime is 61412677. The reversal of 61412636 is 63621416.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61412599 and 61412608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22475 + ... + 25058.

It is an arithmetic number, because the mean of its divisors is an integer number (4991070).

Almost surely, 2^61412636 is an apocalyptic number.

It is an amenable number.

61412636 is a deficient number, since it is larger than the sum of its proper divisors (58373044).

61412636 is a wasteful number, since it uses less digits than its factorization.

61412636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47573 (or 47571 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 61412636 is about 7836.6214659125. The cubic root of 61412636 is about 394.5353420938.

The spelling of 61412636 in words is "sixty-one million, four hundred twelve thousand, six hundred thirty-six".