67561682 has 8 divisors (see below), whose sum is σ = 106676400. Its totient is φ = 32002884.

The previous prime is 67561657. The next prime is 67561721. The reversal of 67561682 is 28616576.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888932 + ... + 889007.

It is an arithmetic number, because the mean of its divisors is an integer number (13334550).

Almost surely, 2^67561682 is an apocalyptic number.

67561682 is a deficient number, since it is larger than the sum of its proper divisors (39114718).

67561682 is a wasteful number, since it uses less digits than its factorization.

67561682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777960.

The product of its digits is 120960, while the sum is 41.

The square root of 67561682 is about 8219.5913523727. The cubic root of 67561682 is about 407.2866274770.

The spelling of 67561682 in words is "sixty-seven million, five hundred sixty-one thousand, six hundred eighty-two".