7409873 has 4 divisors (see below), whose sum is σ = 7493220. Its totient is φ = 7326528.

The previous prime is 7409863. The next prime is 7409891. The reversal of 7409873 is 3789047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3789047 = 491 ⋅7717.

It can be written as a sum of positive squares in 2 ways, for example, as 4068289 + 3341584 = 2017^2 + 1828^2 .

It is a cyclic number.

It is not a de Polignac number, because 7409873 - 2⁸ = 7409617 is a prime.

It is a super-2 number, since 2×7409873² = 109812435752258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7409813) 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, 41540 + ... + 41717.

It is an arithmetic number, because the mean of its divisors is an integer number (1873305).

Almost surely, 2^7409873 is an apocalyptic number.

It is an amenable number.

7409873 is a deficient number, since it is larger than the sum of its proper divisors (83347).

7409873 is an equidigital number, since it uses as much as digits as its factorization.

7409873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83346.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 7409873 is about 2722.1081903554. The cubic root of 7409873 is about 194.9561417910.

The spelling of 7409873 in words is "seven million, four hundred nine thousand, eight hundred seventy-three".