672389100 has 360 divisors, whose sum is σ = 2438750160. Its totient is φ = 159252480.

The previous prime is 672389093. The next prime is 672389131. The reversal of 672389100 is 1983276.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2616172 + ... + 2616428.

It is an arithmetic number, because the mean of its divisors is an integer number (6774306).

Almost surely, 2^672389100 is an apocalyptic number.

672389100 is a gapful number since it is divisible by the number (60) 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 672389100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219375080).

672389100 is an abundant number, since it is smaller than the sum of its proper divisors (1766361060).

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

672389100 is a wasteful number, since it uses less digits than its factorization.

672389100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 672389100 is about 25930.4666367576. The cubic root of 672389100 is about 876.0728500120.

The spelling of 672389100 in words is "six hundred seventy-two million, three hundred eighty-nine thousand, one hundred".