6672481 has 4 divisors (see below), whose sum is σ = 6686100. Its totient is φ = 6658864.

The previous prime is 6672473. The next prime is 6672493. The reversal of 6672481 is 1842766.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4064256 + 2608225 = 2016^2 + 1615^2 .

It is a cyclic number.

It is not a de Polignac number, because 6672481 - 2³ = 6672473 is a prime.

It is a super-2 number, since 2×6672481² = 89044005390722, which contains 22 as substring.

It is a Duffinian number.

6672481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6672881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6046 + ... + 7063.

It is an arithmetic number, because the mean of its divisors is an integer number (1671525).

Almost surely, 2^6672481 is an apocalyptic number.

It is an amenable number.

6672481 is a deficient number, since it is larger than the sum of its proper divisors (13619).

6672481 is a wasteful number, since it uses less digits than its factorization.

6672481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13618.

The product of its digits is 16128, while the sum is 34.

The square root of 6672481 is about 2583.1145928898. The cubic root of 6672481 is about 188.2619048489.

The spelling of 6672481 in words is "six million, six hundred seventy-two thousand, four hundred eighty-one".