672587169 has 8 divisors (see below), whose sum is σ = 927706560. Its totient is φ = 432929616.

The previous prime is 672587141. The next prime is 672587173. The reversal of 672587169 is 961785276.

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

It is not a de Polignac number, because 672587169 - 2¹² = 672583073 is a prime.

It is a super-2 number, since 2×672587169² = 904746999806869122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (672587869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3865357 + ... + 3865530.

It is an arithmetic number, because the mean of its divisors is an integer number (115963320).

Almost surely, 2^672587169 is an apocalyptic number.

It is an amenable number.

672587169 is a deficient number, since it is larger than the sum of its proper divisors (255119391).

672587169 is a wasteful number, since it uses less digits than its factorization.

672587169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7730919.

The product of its digits is 1270080, while the sum is 51.

The square root of 672587169 is about 25934.2855887722. The cubic root of 672587169 is about 876.1588646116.

The spelling of 672587169 in words is "six hundred seventy-two million, five hundred eighty-seven thousand, one hundred sixty-nine".