6480072 has 24 divisors (see below), whose sum is σ = 17550390. Its totient is φ = 2160000.

The previous prime is 6480053. The next prime is 6480107. The reversal of 6480072 is 2700846.

It can be written as a sum of positive squares in only one way, i.e., 3261636 + 3218436 = 1806^2 + 1794^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44929 + ... + 45072.

Almost surely, 2^6480072 is an apocalyptic number.

It is an amenable number.

6480072 is an abundant number, since it is smaller than the sum of its proper divisors (11070318).

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

6480072 is a wasteful number, since it uses less digits than its factorization.

6480072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90013 (or 90006 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 6480072 is about 2545.5985543679. The cubic root of 6480072 is about 186.4346408508.

It can be divided in two parts, 64800 and 72, that multiplied together give a square (4665600 = 2160²).

The spelling of 6480072 in words is "six million, four hundred eighty thousand, seventy-two".