672642207336 has 128 divisors (see below), whose sum is σ = 1880366140800. Its totient is φ = 198738432000.

The previous prime is 672642207319. The next prime is 672642207389. The reversal of 672642207336 is 633702246276.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18610050 + ... + 18646158.

It is an arithmetic number, because the mean of its divisors is an integer number (14690360475).

Almost surely, 2^672642207336 is an apocalyptic number.

672642207336 is a gapful number since it is divisible by the number (66) 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 672642207336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940183070400).

672642207336 is an abundant number, since it is smaller than the sum of its proper divisors (1207723933464).

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

672642207336 is a wasteful number, since it uses less digits than its factorization.

672642207336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37891 (or 37887 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 48.

It can be divided in two parts, 672642 and 207336, that added together give a palindrome (879978).

The spelling of 672642207336 in words is "six hundred seventy-two billion, six hundred forty-two million, two hundred seven thousand, three hundred thirty-six".