68716287 has 24 divisors (see below), whose sum is σ = 103111008. Its totient is φ = 44064000.

The previous prime is 68716273. The next prime is 68716313. The reversal of 68716287 is 78261786.

It is not a de Polignac number, because 68716287 - 2⁶ = 68716223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68715287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25662 + ... + 28212.

It is an arithmetic number, because the mean of its divisors is an integer number (4296292).

Almost surely, 2^68716287 is an apocalyptic number.

68716287 is a deficient number, since it is larger than the sum of its proper divisors (34394721).

68716287 is a wasteful number, since it uses less digits than its factorization.

68716287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671 (or 2668 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 68716287 is about 8289.5287562080. The cubic root of 68716287 is about 409.5936624659.

The spelling of 68716287 in words is "sixty-eight million, seven hundred sixteen thousand, two hundred eighty-seven".