61486768 has 30 divisors (see below), whose sum is σ = 138582276. Its totient is φ = 26351136.

The previous prime is 61486759. The next prime is 61486769. The reversal of 61486768 is 86768416.

It is a happy number.

61486768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61486769) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 38430 + ... + 39997.

Almost surely, 2^61486768 is an apocalyptic number.

It is an amenable number.

61486768 is an abundant number, since it is smaller than the sum of its proper divisors (77095508).

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

61486768 is a wasteful number, since it uses less digits than its factorization.

61486768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78449 (or 78436 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 61486768 is about 7841.3498837891. The cubic root of 61486768 is about 394.6940278592.

The spelling of 61486768 in words is "sixty-one million, four hundred eighty-six thousand, seven hundred sixty-eight".