672141700 has 72 divisors (see below), whose sum is σ = 1545916680. Its totient is φ = 253209600.

The previous prime is 672141683. The next prime is 672141709. The reversal of 672141700 is 7141276.

It can be written as a sum of positive squares in 12 ways, for example, as 248440644 + 423701056 = 15762^2 + 20584^2 .

It is not an unprimeable number, because it can be changed into a prime (672141709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116074 + ... + 121726.

It is an arithmetic number, because the mean of its divisors is an integer number (21471065).

Almost surely, 2^672141700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672141700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (772958340).

672141700 is an abundant number, since it is smaller than the sum of its proper divisors (873774980).

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

672141700 is a wasteful number, since it uses less digits than its factorization.

672141700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737 (or 5730 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 672141700 is about 25925.6957476555. The cubic root of 672141700 is about 875.9653889149.

Adding to 672141700 its reverse (7141276), we get a palindrome (679282976).

The spelling of 672141700 in words is "six hundred seventy-two million, one hundred forty-one thousand, seven hundred".