68036215 has 8 divisors (see below), whose sum is σ = 87923808. Its totient is φ = 50242080.

The previous prime is 68036209. The next prime is 68036239. The reversal of 68036215 is 51263086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-68036215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523291 + ... + 523420.

It is an arithmetic number, because the mean of its divisors is an integer number (10990476).

Almost surely, 2^68036215 is an apocalyptic number.

68036215 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68036215 is a deficient number, since it is larger than the sum of its proper divisors (19887593).

68036215 is a wasteful number, since it uses less digits than its factorization.

68036215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046729.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 68036215 is about 8248.4068158645. The cubic root of 68036215 is about 408.2379567143.

The spelling of 68036215 in words is "sixty-eight million, thirty-six thousand, two hundred fifteen".