61336768 has 28 divisors (see below), whose sum is σ = 127010160. Its totient is φ = 29334272.

The previous prime is 61336757. The next prime is 61336771. The reversal of 61336768 is 86763316.

It is a self number, because there is not a number n which added to its sum of digits gives 61336768.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19363 + ... + 22306.

Almost surely, 2^61336768 is an apocalyptic number.

It is an amenable number.

61336768 is an abundant number, since it is smaller than the sum of its proper divisors (65673392).

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

61336768 is a wasteful number, since it uses less digits than its factorization.

61336768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41704 (or 41694 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 61336768 is about 7831.7793635929. The cubic root of 61336768 is about 394.3728079976.

The spelling of 61336768 in words is "sixty-one million, three hundred thirty-six thousand, seven hundred sixty-eight".