672353187 has 8 divisors (see below), whose sum is σ = 977968320. Its totient is φ = 407486760.

The previous prime is 672353167. The next prime is 672353191. The reversal of 672353187 is 781353276.

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

It is a de Polignac number, because none of the positive numbers 2^k-672353187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672353167) 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 7 ways as a sum of consecutive naturals, for example, 10187137 + ... + 10187202.

It is an arithmetic number, because the mean of its divisors is an integer number (122246040).

Almost surely, 2^672353187 is an apocalyptic number.

672353187 is a deficient number, since it is larger than the sum of its proper divisors (305615133).

672353187 is a wasteful number, since it uses less digits than its factorization.

672353187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20374353.

The product of its digits is 211680, while the sum is 42.

The square root of 672353187 is about 25929.7741409369. The cubic root of 672353187 is about 876.0572524141.

The spelling of 672353187 in words is "six hundred seventy-two million, three hundred fifty-three thousand, one hundred eighty-seven".