68344915 has 8 divisors (see below), whose sum is σ = 82167120. Its totient is φ = 54573792.

The previous prime is 68344907. The next prime is 68344921. The reversal of 68344915 is 51944386.

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 68344915 - 2³ = 68344907 is a prime.

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, 9760 + ... + 15229.

It is an arithmetic number, because the mean of its divisors is an integer number (10270890).

Almost surely, 2^68344915 is an apocalyptic number.

68344915 is a deficient number, since it is larger than the sum of its proper divisors (13822205).

68344915 is a wasteful number, since it uses less digits than its factorization.

68344915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25541.

The product of its digits is 103680, while the sum is 40.

The square root of 68344915 is about 8267.0983422238. The cubic root of 68344915 is about 408.8544564967.

The spelling of 68344915 in words is "sixty-eight million, three hundred forty-four thousand, nine hundred fifteen".