67440966 has 8 divisors (see below), whose sum is σ = 134881944. Its totient is φ = 22480320.

The previous prime is 67440959. The next prime is 67441009. The reversal of 67440966 is 66904476.

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

67440966 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5620075 + ... + 5620086.

It is an arithmetic number, because the mean of its divisors is an integer number (16860243).

Almost surely, 2^67440966 is an apocalyptic number.

67440966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67440966 is a wasteful number, since it uses less digits than its factorization.

67440966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11240166.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 67440966 is about 8212.2448818822. The cubic root of 67440966 is about 407.0439094024.

The spelling of 67440966 in words is "sixty-seven million, four hundred forty thousand, nine hundred sixty-six".