68672087 has 8 divisors (see below), whose sum is σ = 77498640. Its totient is φ = 60276160.

The previous prime is 68672083. The next prime is 68672101. The reversal of 68672087 is 78027686.

It is a happy number.

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 68672087 - 2² = 68672083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68672081) 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, 107318 + ... + 107955.

It is an arithmetic number, because the mean of its divisors is an integer number (9687330).

Almost surely, 2^68672087 is an apocalyptic number.

68672087 is a deficient number, since it is larger than the sum of its proper divisors (8826553).

68672087 is a wasteful number, since it uses less digits than its factorization.

68672087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215313.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 68672087 is about 8286.8623133246. The cubic root of 68672087 is about 409.5058234023.

The spelling of 68672087 in words is "sixty-eight million, six hundred seventy-two thousand, eighty-seven".