68472471 has 8 divisors (see below), whose sum is σ = 92582784. Its totient is φ = 45005240.

The previous prime is 68472421. The next prime is 68472487. The reversal of 68472471 is 17427486.

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 68472471 - 2⁶ = 68472407 is a prime.

It is a super-3 number, since 3×68472471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68472401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160521 + ... + 160946.

It is an arithmetic number, because the mean of its divisors is an integer number (11572848).

Almost surely, 2^68472471 is an apocalyptic number.

68472471 is a deficient number, since it is larger than the sum of its proper divisors (24110313).

68472471 is a wasteful number, since it uses less digits than its factorization.

68472471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321541.

The product of its digits is 75264, while the sum is 39.

The square root of 68472471 is about 8274.8094237874. The cubic root of 68472471 is about 409.1086545254.

The spelling of 68472471 in words is "sixty-eight million, four hundred seventy-two thousand, four hundred seventy-one".