7281673 has 12 divisors (see below), whose sum is σ = 8479168. Its totient is φ = 6125400.

The previous prime is 7281653. The next prime is 7281679. The reversal of 7281673 is 3761827.

It is not a de Polignac number, because 7281673 - 2¹³ = 7273481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7281679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48148 + ... + 48298.

Almost surely, 2^7281673 is an apocalyptic number.

It is an amenable number.

7281673 is a deficient number, since it is larger than the sum of its proper divisors (1197495).

7281673 is an equidigital number, since it uses as much as digits as its factorization.

7281673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 241 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 7281673 is about 2698.4575223635. The cubic root of 7281673 is about 193.8252669068.

It can be divided in two parts, 728 and 1673, that added together give a 4-th power (2401 = 7⁴).

The spelling of 7281673 in words is "seven million, two hundred eighty-one thousand, six hundred seventy-three".