68037147 has 6 divisors (see below), whose sum is σ = 98275892. Its totient is φ = 45358092.

The previous prime is 68037139. The next prime is 68037149. The reversal of 68037147 is 74173086.

It is not a de Polignac number, because 68037147 - 2³ = 68037139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68037149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3779833 + ... + 3779850.

Almost surely, 2^68037147 is an apocalyptic number.

68037147 is a deficient number, since it is larger than the sum of its proper divisors (30238745).

68037147 is a wasteful number, since it uses less digits than its factorization.

68037147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7559689 (or 7559686 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 68037147 is about 8248.4633114296. The cubic root of 68037147 is about 408.2398208002.

The spelling of 68037147 in words is "sixty-eight million, thirty-seven thousand, one hundred forty-seven".