68526471 has 8 divisors (see below), whose sum is σ = 98397040. Its totient is φ = 42170112.

The previous prime is 68526467. The next prime is 68526481. The reversal of 68526471 is 17462586.

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

It is not a de Polignac number, because 68526471 - 2² = 68526467 is a prime.

It is a super-3 number, since 3×68526471³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1757089 = 68526471 / (6 + 8 + 5 + 2 + 6 + 4 + 7 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68526421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 878506 + ... + 878583.

It is an arithmetic number, because the mean of its divisors is an integer number (12299630).

Almost surely, 2^68526471 is an apocalyptic number.

68526471 is a deficient number, since it is larger than the sum of its proper divisors (29870569).

68526471 is a wasteful number, since it uses less digits than its factorization.

68526471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757105.

The product of its digits is 80640, while the sum is 39.

The square root of 68526471 is about 8278.0716957514. The cubic root of 68526471 is about 409.2161724912.

The spelling of 68526471 in words is "sixty-eight million, five hundred twenty-six thousand, four hundred seventy-one".