68471273 has 8 divisors (see below), whose sum is σ = 73802568. Its totient is φ = 63149184.

The previous prime is 68471267. The next prime is 68471279. The reversal of 68471273 is 37217486.

It is an interprime number because it is at equal distance from previous prime (68471267) and next prime (68471279).

It can be written as a sum of positive squares in 4 ways, for example, as 375769 + 68095504 = 613^2 + 8252^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68471273 - 2¹⁰ = 68470249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68471279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28661 + ... + 30957.

It is an arithmetic number, because the mean of its divisors is an integer number (9225321).

Almost surely, 2^68471273 is an apocalyptic number.

It is an amenable number.

68471273 is a deficient number, since it is larger than the sum of its proper divisors (5331295).

68471273 is a wasteful number, since it uses less digits than its factorization.

68471273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603.

The product of its digits is 56448, while the sum is 38.

The square root of 68471273 is about 8274.7370350966. The cubic root of 68471273 is about 409.1062685786.

The spelling of 68471273 in words is "sixty-eight million, four hundred seventy-one thousand, two hundred seventy-three".