672377171 has 8 divisors (see below), whose sum is σ = 685627488. Its totient is φ = 659232000.

The previous prime is 672377161. The next prime is 672377177. The reversal of 672377171 is 171773276.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672377171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672377177) 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, 13310 + ... + 39011.

It is an arithmetic number, because the mean of its divisors is an integer number (85703436).

Almost surely, 2^672377171 is an apocalyptic number.

672377171 is a deficient number, since it is larger than the sum of its proper divisors (13250317).

672377171 is a wasteful number, since it uses less digits than its factorization.

672377171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52573.

The product of its digits is 86436, while the sum is 41.

The square root of 672377171 is about 25930.2366167376. The cubic root of 672377171 is about 876.0676691156.

The spelling of 672377171 in words is "six hundred seventy-two million, three hundred seventy-seven thousand, one hundred seventy-one".