66867048 has 48 divisors (see below), whose sum is σ = 181565280. Its totient is φ = 22231584.

The previous prime is 66867043. The next prime is 66867071. The reversal of 66867048 is 84076866.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 66866994 and 66867012.

It is not an unprimeable number, because it can be changed into a prime (66867043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34111 + ... + 36017.

It is an arithmetic number, because the mean of its divisors is an integer number (3782610).

Almost surely, 2^66867048 is an apocalyptic number.

It is an amenable number.

66867048 is an abundant number, since it is smaller than the sum of its proper divisors (114698232).

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

66867048 is a wasteful number, since it uses less digits than its factorization.

66867048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406 (or 2399 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 66867048 is about 8177.2274029771. The cubic root of 66867048 is about 405.8859799372.

The spelling of 66867048 in words is "sixty-six million, eight hundred sixty-seven thousand, forty-eight".