61842667 has 2 divisors, whose sum is σ = 61842668. Its totient is φ = 61842666.

The previous prime is 61842581. The next prime is 61842673. The reversal of 61842667 is 76624816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61842667 - 2¹⁵ = 61809899 is a prime.

It is not a weakly prime, because it can be changed into another prime (61842367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30921333 + 30921334.

It is an arithmetic number, because the mean of its divisors is an integer number (30921334).

Almost surely, 2^61842667 is an apocalyptic number.

61842667 is a deficient number, since it is larger than the sum of its proper divisors (1).

61842667 is an equidigital number, since it uses as much as digits as its factorization.

61842667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 61842667 is about 7864.0108723221. The cubic root of 61842667 is about 395.4540886898.

The spelling of 61842667 in words is "sixty-one million, eight hundred forty-two thousand, six hundred sixty-seven".