66673461 has 8 divisors (see below), whose sum is σ = 88935840. Its totient is φ = 44430032.

The previous prime is 66673459. The next prime is 66673463. The reversal of 66673461 is 16437666.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (66673459) and next prime (66673463).

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 66673461 - 2¹ = 66673459 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66673463) 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, 10255 + ... + 15443.

It is an arithmetic number, because the mean of its divisors is an integer number (11116980).

Almost surely, 2^66673461 is an apocalyptic number.

It is an amenable number.

66673461 is a deficient number, since it is larger than the sum of its proper divisors (22262379).

66673461 is a wasteful number, since it uses less digits than its factorization.

66673461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9475.

The product of its digits is 108864, while the sum is 39.

The square root of 66673461 is about 8165.3818649222. The cubic root of 66673461 is about 405.4939074062.

The spelling of 66673461 in words is "sixty-six million, six hundred seventy-three thousand, four hundred sixty-one".