68471263 has 4 divisors (see below), whose sum is σ = 78252880. Its totient is φ = 58689648.

The previous prime is 68471251. The next prime is 68471267. The reversal of 68471263 is 36217486.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68471263 - 2²¹ = 66374111 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 (68471267) 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, 4890798 + ... + 4890811.

It is an arithmetic number, because the mean of its divisors is an integer number (19563220).

Almost surely, 2^68471263 is an apocalyptic number.

68471263 is a deficient number, since it is larger than the sum of its proper divisors (9781617).

68471263 is an equidigital number, since it uses as much as digits as its factorization.

68471263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9781616.

The product of its digits is 48384, while the sum is 37.

The square root of 68471263 is about 8274.7364308478. The cubic root of 68471263 is about 409.1062486624.

The spelling of 68471263 in words is "sixty-eight million, four hundred seventy-one thousand, two hundred sixty-three".