61336769 has 16 divisors (see below), whose sum is σ = 71937600. Its totient is φ = 51782976.

The previous prime is 61336757. The next prime is 61336771. The reversal of 61336769 is 96763316.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61336769 is a prime.

It is a super-2 number, since 2×61336769² = 7524398462718722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61336729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2882 + ... + 11444.

It is an arithmetic number, because the mean of its divisors is an integer number (4496100).

Almost surely, 2^61336769 is an apocalyptic number.

It is an amenable number.

61336769 is a deficient number, since it is larger than the sum of its proper divisors (10600831).

61336769 is a wasteful number, since it uses less digits than its factorization.

61336769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8624.

The product of its digits is 122472, while the sum is 41.

The square root of 61336769 is about 7831.7794274354. The cubic root of 61336769 is about 394.3728101409.

The spelling of 61336769 in words is "sixty-one million, three hundred thirty-six thousand, seven hundred sixty-nine".