672000387 has 4 divisors (see below), whose sum is σ = 896000520. Its totient is φ = 448000256.

The previous prime is 672000377. The next prime is 672000421. The reversal of 672000387 is 783000276.

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

It is a cyclic number.

It is not a de Polignac number, because 672000387 - 2⁶ = 672000323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672000317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112000062 + ... + 112000067.

It is an arithmetic number, because the mean of its divisors is an integer number (224000130).

Almost surely, 2^672000387 is an apocalyptic number.

672000387 is a deficient number, since it is larger than the sum of its proper divisors (224000133).

672000387 is a wasteful number, since it uses less digits than its factorization.

672000387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224000132.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 672000387 is about 25922.9702580549. The cubic root of 672000387 is about 875.9039961198.

The spelling of 672000387 in words is "six hundred seventy-two million, three hundred eighty-seven", and thus it is an aban number.