68460845 has 8 divisors (see below), whose sum is σ = 82308120. Its totient is φ = 54665280.

The previous prime is 68460839. The next prime is 68460871. The reversal of 68460845 is 54806486.

It can be written as a sum of positive squares in 4 ways, for example, as 6901129 + 61559716 = 2627^2 + 7846^2 .

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

It is not a de Polignac number, because 68460845 - 2¹⁶ = 68395309 is a prime.

It is a super-2 number, since 2×68460845² = 9373774596228050, which contains 22 as substring.

It is a congruent 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, 9950 + ... + 15359.

It is an arithmetic number, because the mean of its divisors is an integer number (10288515).

Almost surely, 2^68460845 is an apocalyptic number.

It is an amenable number.

68460845 is a deficient number, since it is larger than the sum of its proper divisors (13847275).

68460845 is a wasteful number, since it uses less digits than its factorization.

68460845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25855.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 68460845 is about 8274.1069004455. The cubic root of 68460845 is about 409.0854989109.

The spelling of 68460845 in words is "sixty-eight million, four hundred sixty thousand, eight hundred forty-five".