68280837 has 8 divisors (see below), whose sum is σ = 91139136. Its totient is φ = 45471552.

The previous prime is 68280833. The next prime is 68280847. The reversal of 68280837 is 73808286.

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

It is not a de Polignac number, because 68280837 - 2² = 68280833 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68280833) 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, 8868 + ... + 14669.

It is an arithmetic number, because the mean of its divisors is an integer number (11392392).

Almost surely, 2^68280837 is an apocalyptic number.

It is an amenable number.

68280837 is a deficient number, since it is larger than the sum of its proper divisors (22858299).

68280837 is a wasteful number, since it uses less digits than its factorization.

68280837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24507.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 68280837 is about 8263.2219503049. The cubic root of 68280837 is about 408.7266402683.

The spelling of 68280837 in words is "sixty-eight million, two hundred eighty thousand, eight hundred thirty-seven".