68199115 has 8 divisors (see below), whose sum is σ = 83580480. Its totient is φ = 53398272.

The previous prime is 68199107. The next prime is 68199133. The reversal of 68199115 is 51199186.

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 68199115 - 2³ = 68199107 is a prime.

It is a super-2 number, since 2×68199115² = 9302238573566450, which contains 22 as substring.

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, 144870 + ... + 145339.

It is an arithmetic number, because the mean of its divisors is an integer number (10447560).

Almost surely, 2^68199115 is an apocalyptic number.

68199115 is a deficient number, since it is larger than the sum of its proper divisors (15381365).

68199115 is a wasteful number, since it uses less digits than its factorization.

68199115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290261.

The product of its digits is 19440, while the sum is 40.

The square root of 68199115 is about 8258.2755463838. The cubic root of 68199115 is about 408.5635135183.

The spelling of 68199115 in words is "sixty-eight million, one hundred ninety-nine thousand, one hundred fifteen".