68120699 has 4 divisors (see below), whose sum is σ = 68169864. Its totient is φ = 68071536.

The previous prime is 68120693. The next prime is 68120707. The reversal of 68120699 is 99602186.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68120699 - 2⁸ = 68120443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68120693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22442 + ... + 25295.

It is an arithmetic number, because the mean of its divisors is an integer number (17042466).

Almost surely, 2^68120699 is an apocalyptic number.

68120699 is a deficient number, since it is larger than the sum of its proper divisors (49165).

68120699 is a wasteful number, since it uses less digits than its factorization.

68120699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49164.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 68120699 is about 8253.5264584298. The cubic root of 68120699 is about 408.4068633746.

The spelling of 68120699 in words is "sixty-eight million, one hundred twenty thousand, six hundred ninety-nine".