68393471 has 8 divisors (see below), whose sum is σ = 70975488. Its totient is φ = 65835000.

The previous prime is 68393461. The next prime is 68393527. The reversal of 68393471 is 17439386.

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 68393471 - 2¹⁴ = 68377087 is a prime.

It is a super-3 number, since 3×68393471³ (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 (68393401) 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, 146 + ... + 11696.

It is an arithmetic number, because the mean of its divisors is an integer number (8871936).

Almost surely, 2^68393471 is an apocalyptic number.

68393471 is a deficient number, since it is larger than the sum of its proper divisors (2582017).

68393471 is a wasteful number, since it uses less digits than its factorization.

68393471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11773.

The product of its digits is 108864, while the sum is 41.

The square root of 68393471 is about 8270.0345222980. The cubic root of 68393471 is about 408.9512578336.

The spelling of 68393471 in words is "sixty-eight million, three hundred ninety-three thousand, four hundred seventy-one".