1672480 has 24 divisors (see below), whose sum is σ = 3951612. Its totient is φ = 668928.

The previous prime is 1672471. The next prime is 1672487. The reversal of 1672480 is 842761.

It can be written as a sum of positive squares in 2 ways, for example, as 1567504 + 104976 = 1252^2 + 324^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1672487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5067 + ... + 5386.

2^1672480 is an apocalyptic number.

1672480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1672480 is an abundant number, since it is smaller than the sum of its proper divisors (2279132).

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

1672480 is a wasteful number, since it uses less digits than its factorization.

1672480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10468 (or 10460 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1672480 is about 1293.2439831679. The cubic root of 1672480 is about 118.7007995627.

The spelling of 1672480 in words is "one million, six hundred seventy-two thousand, four hundred eighty".