672323450472 has 40 divisors (see below), whose sum is σ = 1883128184850. Its totient is φ = 224107816608.

The previous prime is 672323450401. The next prime is 672323450507. The reversal of 672323450472 is 274054323276.

672323450472 is a `hidden beast` number, since 6 + 7 + 232 + 345 + 0 + 4 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 672147463716 + 175986756 = 819846^2 + 13266^2 .

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 9 ways as a sum of consecutive naturals, for example, 518767447 + ... + 518768742.

Almost surely, 2^672323450472 is an apocalyptic number.

It is an amenable number.

672323450472 is an abundant number, since it is smaller than the sum of its proper divisors (1210804734378).

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

672323450472 is a wasteful number, since it uses less digits than its factorization.

672323450472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037536207 (or 1037536194 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 45.

The spelling of 672323450472 in words is "six hundred seventy-two billion, three hundred twenty-three million, four hundred fifty thousand, four hundred seventy-two".