66323874 has 8 divisors (see below), whose sum is σ = 132647760. Its totient is φ = 22107956.

The previous prime is 66323861. The next prime is 66323879. The reversal of 66323874 is 47832366.

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

66323874 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (66323879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5526984 + ... + 5526995.

It is an arithmetic number, because the mean of its divisors is an integer number (16580970).

Almost surely, 2^66323874 is an apocalyptic number.

66323874 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.

66323874 is a wasteful number, since it uses less digits than its factorization.

66323874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11053984.

The product of its digits is 145152, while the sum is 39.

The square root of 66323874 is about 8143.9470774312. The cubic root of 66323874 is about 404.7839603765.

The spelling of 66323874 in words is "sixty-six million, three hundred twenty-three thousand, eight hundred seventy-four".