66267842 has 8 divisors (see below), whose sum is σ = 102829500. Its totient is φ = 31991344.

The previous prime is 66267827. The next prime is 66267857. The reversal of 66267842 is 24876266.

It is an interprime number because it is at equal distance from previous prime (66267827) and next prime (66267857).

It can be written as a sum of positive squares in 2 ways, for example, as 65593801 + 674041 = 8099^2 + 821^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 66267842.

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, 571217 + ... + 571332.

Almost surely, 2^66267842 is an apocalyptic number.

66267842 is a deficient number, since it is larger than the sum of its proper divisors (36561658).

66267842 is a wasteful number, since it uses less digits than its factorization.

66267842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142580.

The product of its digits is 193536, while the sum is 41.

The square root of 66267842 is about 8140.5062496137. The cubic root of 66267842 is about 404.6699378603.

The spelling of 66267842 in words is "sixty-six million, two hundred sixty-seven thousand, eight hundred forty-two".