68483473 has 4 divisors (see below), whose sum is σ = 69775668. Its totient is φ = 67191280.

The previous prime is 68483399. The next prime is 68483479. The reversal of 68483473 is 37438486.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37438486 = 2 ⋅18719243.

It can be written as a sum of positive squares in 2 ways, for example, as 41370624 + 27112849 = 6432^2 + 5207^2 .

It is not a de Polignac number, because 68483473 - 2²¹ = 66386321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68483479) 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, 646018 + ... + 646123.

It is an arithmetic number, because the mean of its divisors is an integer number (17443917).

Almost surely, 2^68483473 is an apocalyptic number.

It is an amenable number.

68483473 is a deficient number, since it is larger than the sum of its proper divisors (1292195).

68483473 is a wasteful number, since it uses less digits than its factorization.

68483473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292194.

The product of its digits is 387072, while the sum is 43.

The square root of 68483473 is about 8275.4741858095. The cubic root of 68483473 is about 409.1305648995.

The spelling of 68483473 in words is "sixty-eight million, four hundred eighty-three thousand, four hundred seventy-three".