672230144 has 36 divisors (see below), whose sum is σ = 1355172000. Its totient is φ = 332774400.

The previous prime is 672230123. The next prime is 672230183. The reversal of 672230144 is 441032276.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12857 + ... + 38855.

Almost surely, 2^672230144 is an apocalyptic number.

672230144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672230144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677586000).

672230144 is an abundant number, since it is smaller than the sum of its proper divisors (682941856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672230144 is a wasteful number, since it uses less digits than its factorization.

672230144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26116 (or 26102 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 672230144 is about 25927.4014124054. The cubic root of 672230144 is about 876.0038086335.

The spelling of 672230144 in words is "six hundred seventy-two million, two hundred thirty thousand, one hundred forty-four".