68501187 has 8 divisors (see below), whose sum is σ = 101483280. Its totient is φ = 45667440.

The previous prime is 68501179. The next prime is 68501207. The reversal of 68501187 is 78110586.

It is not a de Polignac number, because 68501187 - 2³ = 68501179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68501887) by changing a digit.

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, 1268514 + ... + 1268567.

It is an arithmetic number, because the mean of its divisors is an integer number (12685410).

Almost surely, 2^68501187 is an apocalyptic number.

68501187 is a deficient number, since it is larger than the sum of its proper divisors (32982093).

68501187 is a wasteful number, since it uses less digits than its factorization.

68501187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537090 (or 2537084 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 68501187 is about 8276.5443876053. The cubic root of 68501187 is about 409.1658372250.

The spelling of 68501187 in words is "sixty-eight million, five hundred one thousand, one hundred eighty-seven".