672571680 has 384 divisors, whose sum is σ = 2508226560. Its totient is φ = 149667840.

The previous prime is 672571673. The next prime is 672571693. The reversal of 672571680 is 86175276.

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, 5295777 + ... + 5295903.

It is an arithmetic number, because the mean of its divisors is an integer number (6531840).

Almost surely, 2^672571680 is an apocalyptic number.

672571680 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 672571680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1254113280).

672571680 is an abundant number, since it is smaller than the sum of its proper divisors (1835654880).

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

672571680 is a wasteful number, since it uses less digits than its factorization.

672571680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 672571680 is about 25933.9869669127. The cubic root of 672571680 is about 876.1521388768.

The spelling of 672571680 in words is "six hundred seventy-two million, five hundred seventy-one thousand, six hundred eighty".