1672880 has 40 divisors (see below), whose sum is σ = 4245264. Its totient is φ = 608000.

The previous prime is 1672873. The next prime is 1672889. The reversal of 1672880 is 882761.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1672889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71 + ... + 1830.

2^1672880 is an apocalyptic number.

1672880 is a gapful number since it is divisible by the number (10) 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 1672880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2122632).

1672880 is an abundant number, since it is smaller than the sum of its proper divisors (2572384).

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

1672880 is a wasteful number, since it uses less digits than its factorization.

1672880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925 (or 1919 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1672880 is about 1293.3986237815. The cubic root of 1672880 is about 118.7102618652.

It can be divided in two parts, 1672 and 880, that added together give a palindrome (2552).

The spelling of 1672880 in words is "one million, six hundred seventy-two thousand, eight hundred eighty".