672672384 has 128 divisors (see below), whose sum is σ = 2000016000. Its totient is φ = 222566400.

The previous prime is 672672361. The next prime is 672672401. The reversal of 672672384 is 483276276.

672672384 is a `hidden beast` number, since 6 + 7 + 267 + 2 + 384 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521212 + ... + 522500.

It is an arithmetic number, because the mean of its divisors is an integer number (15625125).

Almost surely, 2^672672384 is an apocalyptic number.

672672384 is a gapful number since it is divisible by the number (64) 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 672672384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1000008000).

672672384 is an abundant number, since it is smaller than the sum of its proper divisors (1327343616).

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

672672384 is a wasteful number, since it uses less digits than its factorization.

672672384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463 (or 1445 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 672672384 is about 25935.9284391363. The cubic root of 672672384 is about 876.1958653793.

The spelling of 672672384 in words is "six hundred seventy-two million, six hundred seventy-two thousand, three hundred eighty-four".