67942471 has 8 divisors (see below), whose sum is σ = 70925024. Its totient is φ = 65020320.

The previous prime is 67942439. The next prime is 67942507. The reversal of 67942471 is 17424976.

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 67942471 - 2⁵ = 67942439 is a prime.

It is a super-3 number, since 3×67942471³ (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 (67940471) 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, 12795 + ... + 17308.

It is an arithmetic number, because the mean of its divisors is an integer number (8865628).

Almost surely, 2^67942471 is an apocalyptic number.

67942471 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

67942471 is a deficient number, since it is larger than the sum of its proper divisors (2982553).

67942471 is a wasteful number, since it uses less digits than its factorization.

67942471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30201.

The product of its digits is 84672, while the sum is 40.

The square root of 67942471 is about 8242.7223051611. The cubic root of 67942471 is about 408.0503730417.

The spelling of 67942471 in words is "sixty-seven million, nine hundred forty-two thousand, four hundred seventy-one".