672520094064 has 320 divisors, whose sum is σ = 2387143879680. Its totient is φ = 176525153280.

The previous prime is 672520094053. The next prime is 672520094101. The reversal of 672520094064 is 460490025276.

672520094064 is a `hidden beast` number, since 67 + 2 + 520 + 0 + 9 + 4 + 0 + 64 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8254294 + ... + 8335370.

It is an arithmetic number, because the mean of its divisors is an integer number (7459824624).

Almost surely, 2^672520094064 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 672520094064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1193571939840).

672520094064 is an abundant number, since it is smaller than the sum of its proper divisors (1714623785616).

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

672520094064 is a wasteful number, since it uses less digits than its factorization.

672520094064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81325 (or 81313 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 672520094064 in words is "six hundred seventy-two billion, five hundred twenty million, ninety-four thousand, sixty-four".