68207471 has 8 divisors (see below), whose sum is σ = 71069184. Its totient is φ = 65387160.

The previous prime is 68207467. The next prime is 68207479. The reversal of 68207471 is 17470286.

It is a happy number.

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 68207471 - 2² = 68207467 is a prime.

It is a super-3 number, since 3×68207471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68207479) 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, 6965 + ... + 13598.

It is an arithmetic number, because the mean of its divisors is an integer number (8883648).

Almost surely, 2^68207471 is an apocalyptic number.

68207471 is a deficient number, since it is larger than the sum of its proper divisors (2861713).

68207471 is a wasteful number, since it uses less digits than its factorization.

68207471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20701.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 68207471 is about 8258.7814476471. The cubic root of 68207471 is about 408.5801990589.

The spelling of 68207471 in words is "sixty-eight million, two hundred seven thousand, four hundred seventy-one".