672692825280 has 448 divisors, whose sum is σ = 2586701537280. Its totient is φ = 144833740800.

The previous prime is 672692825249. The next prime is 672692825297. The reversal of 672692825280 is 82528296276.

It is a tau number, because it is divible by the number of its divisors (448).

It is a self number, because there is not a number n which added to its sum of digits gives 672692825280.

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, 7947985 + ... + 8032175.

It is an arithmetic number, because the mean of its divisors is an integer number (5773887360).

Almost surely, 2^672692825280 is an apocalyptic number.

672692825280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672692825280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1293350768640).

672692825280 is an abundant number, since it is smaller than the sum of its proper divisors (1914008712000).

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

672692825280 is a wasteful number, since it uses less digits than its factorization.

672692825280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84288 (or 84278 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 672692825280 in words is "six hundred seventy-two billion, six hundred ninety-two million, eight hundred twenty-five thousand, two hundred eighty".