68067291 has 8 divisors (see below), whose sum is σ = 95533120. Its totient is φ = 42989832.

The previous prime is 68067247. The next prime is 68067299. The reversal of 68067291 is 19276086.

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

It is not a de Polignac number, because 68067291 - 2¹⁰ = 68066267 is a prime.

It is a super-2 number, since 2×68067291² = 9266312208157362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68067299) 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, 597025 + ... + 597138.

It is an arithmetic number, because the mean of its divisors is an integer number (11941640).

Almost surely, 2^68067291 is an apocalyptic number.

68067291 is a deficient number, since it is larger than the sum of its proper divisors (27465829).

68067291 is a wasteful number, since it uses less digits than its factorization.

68067291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194185.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 68067291 is about 8250.2903585268. The cubic root of 68067291 is about 408.3001024000.

The spelling of 68067291 in words is "sixty-eight million, sixty-seven thousand, two hundred ninety-one".