106667747 has 8 divisors (see below), whose sum is σ = 108835056. Its totient is φ = 104506272.

The previous prime is 106667731. The next prime is 106667749. The reversal of 106667747 is 747766601.

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 106667747 - 2⁴ = 106667731 is a prime.

It is a super-2 number, since 2×106667747² = 22756016500112018, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106667698 and 106667707.

It is not an unprimeable number, because it can be changed into a prime (106667749) by changing a digit.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64748 + ... + 66374.

It is an arithmetic number, because the mean of its divisors is an integer number (13604382).

Almost surely, 2^106667747 is an apocalyptic number.

106667747 is a deficient number, since it is larger than the sum of its proper divisors (2167309).

106667747 is a wasteful number, since it uses less digits than its factorization.

106667747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917.

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 106667747 is about 10328.0078911666. The cubic root of 106667747 is about 474.2540416893.

The spelling of 106667747 in words is "one hundred six million, six hundred sixty-seven thousand, seven hundred forty-seven".