672599656484 has 24 divisors (see below), whose sum is σ = 1345216793088. Its totient is φ = 288253249920.

The previous prime is 672599656471. The next prime is 672599656489. The reversal of 672599656484 is 484656995276.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (672599656489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3768749 + ... + 3943179.

It is an arithmetic number, because the mean of its divisors is an integer number (56050699712).

Almost surely, 2^672599656484 is an apocalyptic number.

It is an amenable number.

672599656484 is an abundant number, since it is smaller than the sum of its proper divisors (672617136604).

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

672599656484 is a wasteful number, since it uses less digits than its factorization.

672599656484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312155 (or 312153 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 71.

The spelling of 672599656484 in words is "six hundred seventy-two billion, five hundred ninety-nine million, six hundred fifty-six thousand, four hundred eighty-four".