66873024 has 42 divisors (see below), whose sum is σ = 191681100. Its totient is φ = 22290816.

The previous prime is 66873013. The next prime is 66873031. The reversal of 66873024 is 42037866.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 66873024.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57474 + ... + 58625.

Almost surely, 2^66873024 is an apocalyptic number.

66873024 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

66873024 is an abundant number, since it is smaller than the sum of its proper divisors (124808076).

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

66873024 is a wasteful number, since it uses less digits than its factorization.

66873024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116117 (or 116104 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 66873024 is about 8177.5927998403. The cubic root of 66873024 is about 405.8980711063.

The spelling of 66873024 in words is "sixty-six million, eight hundred seventy-three thousand, twenty-four".