672786533952 has 504 divisors, whose sum is σ = 2216244654624. Its totient is φ = 202163060736.

The previous prime is 672786533941. The next prime is 672786533971. The reversal of 672786533952 is 259335687276.

It is a happy number.

672786533952 is a `hidden beast` number, since 6 + 7 + 2 + 7 + 8 + 6 + 533 + 95 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 672786533952.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 113013408 + ... + 113019360.

Almost surely, 2^672786533952 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 672786533952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1108122327312).

672786533952 is an abundant number, since it is smaller than the sum of its proper divisors (1543458120672).

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

672786533952 is a wasteful number, since it uses less digits than its factorization.

672786533952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6049 (or 6014 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 63.

The spelling of 672786533952 in words is "six hundred seventy-two billion, seven hundred eighty-six million, five hundred thirty-three thousand, nine hundred fifty-two".