672066867 has 4 divisors (see below), whose sum is σ = 896089160. Its totient is φ = 448044576.

The previous prime is 672066839. The next prime is 672066881. The reversal of 672066867 is 768660276.

It is a happy number.

672066867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 672066867 - 2¹⁰ = 672065843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672066167) 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, 112011142 + ... + 112011147.

It is an arithmetic number, because the mean of its divisors is an integer number (224022290).

Almost surely, 2^672066867 is an apocalyptic number.

672066867 is a deficient number, since it is larger than the sum of its proper divisors (224022293).

672066867 is a wasteful number, since it uses less digits than its factorization.

672066867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224022292.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 672066867 is about 25924.2524868124. The cubic root of 672066867 is about 875.9328791277.

The spelling of 672066867 in words is "six hundred seventy-two million, sixty-six thousand, eight hundred sixty-seven".