66462943 has 8 divisors (see below), whose sum is σ = 67294800. Its totient is φ = 65635200.

The previous prime is 66462941. The next prime is 66462959. The reversal of 66462943 is 34926466.

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 66462943 - 2¹ = 66462941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66462896 and 66462905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66462941) 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, 42133 + ... + 43681.

It is an arithmetic number, because the mean of its divisors is an integer number (8411850).

Almost surely, 2^66462943 is an apocalyptic number.

66462943 is a deficient number, since it is larger than the sum of its proper divisors (831857).

66462943 is a wasteful number, since it uses less digits than its factorization.

66462943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057.

The product of its digits is 186624, while the sum is 40.

The square root of 66462943 is about 8152.4807880792. The cubic root of 66462943 is about 405.0666821058.

The spelling of 66462943 in words is "sixty-six million, four hundred sixty-two thousand, nine hundred forty-three".