61842641 has 8 divisors (see below), whose sum is σ = 71406720. Its totient is φ = 52460928.

The previous prime is 61842581. The next prime is 61842667. The reversal of 61842641 is 14624816.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61842641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61842598 and 61842607.

It is not an unprimeable number, because it can be changed into a prime (61842841) 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, 44861 + ... + 46218.

It is an arithmetic number, because the mean of its divisors is an integer number (8925840).

Almost surely, 2^61842641 is an apocalyptic number.

It is an amenable number.

61842641 is a deficient number, since it is larger than the sum of its proper divisors (9564079).

61842641 is an equidigital number, since it uses as much as digits as its factorization.

61842641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91183.

The product of its digits is 9216, while the sum is 32.

The square root of 61842641 is about 7864.0092192215. The cubic root of 61842641 is about 395.4540332706.

The spelling of 61842641 in words is "sixty-one million, eight hundred forty-two thousand, six hundred forty-one".