7681473 has 28 divisors (see below), whose sum is σ = 11843748. Its totient is φ = 4976640.

The previous prime is 7681417. The next prime is 7681489. The reversal of 7681473 is 3741867.

It can be written as a sum of positive squares in 2 ways, for example, as 4210704 + 3470769 = 2052^2 + 1863^2 .

It is not a de Polignac number, because 7681473 - 2⁶ = 7681409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7681403) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 29761 + ... + 30017.

It is an arithmetic number, because the mean of its divisors is an integer number (422991).

Almost surely, 2^7681473 is an apocalyptic number.

It is an amenable number.

7681473 is a deficient number, since it is larger than the sum of its proper divisors (4162275).

7681473 is an equidigital number, since it uses as much as digits as its factorization.

7681473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 301 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 7681473 is about 2771.5470409142. The cubic root of 7681473 is about 197.3095787873.

The spelling of 7681473 in words is "seven million, six hundred eighty-one thousand, four hundred seventy-three".