61068869 has 8 divisors (see below), whose sum is σ = 65338080. Its totient is φ = 56905200.

The previous prime is 61068823. The next prime is 61068883. The reversal of 61068869 is 96886016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61068869 - 2⁸ = 61068613 is a prime.

It is a super-2 number, since 2×61068869² = 7458813521878322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61068169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25187 + ... + 27504.

It is an arithmetic number, because the mean of its divisors is an integer number (8167260).

Almost surely, 2^61068869 is an apocalyptic number.

It is an amenable number.

61068869 is a deficient number, since it is larger than the sum of its proper divisors (4269211).

61068869 is a wasteful number, since it uses less digits than its factorization.

61068869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52771.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 61068869 is about 7814.6573181426. The cubic root of 61068869 is about 393.7978061045.

The spelling of 61068869 in words is "sixty-one million, sixty-eight thousand, eight hundred sixty-nine".