672235172 has 24 divisors (see below), whose sum is σ = 1373078784. Its totient is φ = 281970432.

The previous prime is 672235169. The next prime is 672235183. The reversal of 672235172 is 271532276.

It is an unprimeable number.

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, 254093 + ... + 256724.

It is an arithmetic number, because the mean of its divisors is an integer number (57211616).

Almost surely, 2^672235172 is an apocalyptic number.

It is an amenable number.

672235172 is an abundant number, since it is smaller than the sum of its proper divisors (700843612).

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

672235172 is a wasteful number, since it uses less digits than its factorization.

672235172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510875 (or 510873 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 672235172 is about 25927.4983752772. The cubic root of 672235172 is about 876.0059926753.

The spelling of 672235172 in words is "six hundred seventy-two million, two hundred thirty-five thousand, one hundred seventy-two".