66701323 has 8 divisors (see below), whose sum is σ = 72095408. Its totient is φ = 61344864.

The previous prime is 66701291. The next prime is 66701377. The reversal of 66701323 is 32310766.

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 66701323 - 2⁵ = 66701291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66701291 and 66701300.

It is not an unprimeable number, because it can be changed into a prime (66701023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5661 + ... + 12862.

It is an arithmetic number, because the mean of its divisors is an integer number (9011926).

Almost surely, 2^66701323 is an apocalyptic number.

66701323 is a deficient number, since it is larger than the sum of its proper divisors (5394085).

66701323 is a wasteful number, since it uses less digits than its factorization.

66701323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18813.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 66701323 is about 8167.0877918631. The cubic root of 66701323 is about 405.5503831398.

The spelling of 66701323 in words is "sixty-six million, seven hundred one thousand, three hundred twenty-three".