672447023500 has 48 divisors (see below), whose sum is σ = 1678427779392. Its totient is φ = 230553264000.

The previous prime is 672447023483. The next prime is 672447023503. The reversal of 672447023500 is 5320744276.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (672447023503) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 96060361 + ... + 96067360.

It is an arithmetic number, because the mean of its divisors is an integer number (34967245404).

Almost surely, 2^672447023500 is an apocalyptic number.

It is an amenable number.

672447023500 is an abundant number, since it is smaller than the sum of its proper divisors (1005980755892).

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

672447023500 is a wasteful number, since it uses less digits than its factorization.

672447023500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192127747 (or 192127735 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 40.

Adding to 672447023500 its reverse (5320744276), we get a palindrome (677767767776).

The spelling of 672447023500 in words is "six hundred seventy-two billion, four hundred forty-seven million, twenty-three thousand, five hundred".