68948615 has 8 divisors (see below), whose sum is σ = 82885200. Its totient is φ = 55060992.

The previous prime is 68948611. The next prime is 68948623. The reversal of 68948615 is 51684986.

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 68948615 - 2² = 68948611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68948615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68948611) 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, 9065 + ... + 14834.

It is an arithmetic number, because the mean of its divisors is an integer number (10360650).

Almost surely, 2^68948615 is an apocalyptic number.

68948615 is a deficient number, since it is larger than the sum of its proper divisors (13936585).

68948615 is a wasteful number, since it uses less digits than its factorization.

68948615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24481.

The product of its digits is 414720, while the sum is 47.

The square root of 68948615 is about 8303.5302733235. The cubic root of 68948615 is about 410.0547517601.

The spelling of 68948615 in words is "sixty-eight million, nine hundred forty-eight thousand, six hundred fifteen".