61568841 has 8 divisors (see below), whose sum is σ = 82818720. Its totient is φ = 40682432.

The previous prime is 61568831. The next prime is 61568863. The reversal of 61568841 is 14886516.

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 61568841 - 2¹⁰ = 61567817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61568841.

It is not an unprimeable number, because it can be changed into a prime (61568831) 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, 90471 + ... + 91148.

It is an arithmetic number, because the mean of its divisors is an integer number (10352340).

Almost surely, 2^61568841 is an apocalyptic number.

It is an amenable number.

61568841 is a deficient number, since it is larger than the sum of its proper divisors (21249879).

61568841 is a wasteful number, since it uses less digits than its factorization.

61568841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181735.

The product of its digits is 46080, while the sum is 39.

The square root of 61568841 is about 7846.5814849525. The cubic root of 61568841 is about 394.8695632985.

The spelling of 61568841 in words is "sixty-one million, five hundred sixty-eight thousand, eight hundred forty-one".