672173873280 has 1280 divisors, whose sum is σ = 3035041954560. Its totient is φ = 137952460800.

The previous prime is 672173873249. The next prime is 672173873303. The reversal of 672173873280 is 82378371276.

It is a happy number.

672173873280 is a `hidden beast` number, since 6 + 72 + 173 + 87 + 328 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 174543355 + ... + 174547205.

It is an arithmetic number, because the mean of its divisors is an integer number (2371126527).

Almost surely, 2^672173873280 is an apocalyptic number.

672173873280 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 672173873280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1517520977280).

672173873280 is an abundant number, since it is smaller than the sum of its proper divisors (2362868081280).

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

672173873280 is a wasteful number, since it uses less digits than its factorization.

672173873280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939 (or 3918 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 672173873280 in words is "six hundred seventy-two billion, one hundred seventy-three million, eight hundred seventy-three thousand, two hundred eighty".