68294305 has 8 divisors (see below), whose sum is σ = 82798632. Its totient is φ = 54071808.

The previous prime is 68294293. The next prime is 68294311. The reversal of 68294305 is 50349286.

It can be written as a sum of positive squares in 4 ways, for example, as 3845521 + 64448784 = 1961^2 + 8028^2 .

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 68294305 - 2¹⁵ = 68261537 is a prime.

It is a super-2 number, since 2×68294305² = 9328224190866050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69922 + ... + 70891.

It is an arithmetic number, because the mean of its divisors is an integer number (10349829).

Almost surely, 2^68294305 is an apocalyptic number.

It is an amenable number.

68294305 is a deficient number, since it is larger than the sum of its proper divisors (14504327).

68294305 is a wasteful number, since it uses less digits than its factorization.

68294305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140915.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 68294305 is about 8264.0368464813. The cubic root of 68294305 is about 408.7535114899.

The spelling of 68294305 in words is "sixty-eight million, two hundred ninety-four thousand, three hundred five".