68759487 has 24 divisors (see below), whose sum is σ = 101889840. Its totient is φ = 44668800.

The previous prime is 68759473. The next prime is 68759491. The reversal of 68759487 is 78495786.

It is not a de Polignac number, because 68759487 - 2¹⁵ = 68726719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68759417) 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, 60339 + ... + 61467.

It is an arithmetic number, because the mean of its divisors is an integer number (4245410).

Almost surely, 2^68759487 is an apocalyptic number.

68759487 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

68759487 is a deficient number, since it is larger than the sum of its proper divisors (33130353).

68759487 is a wasteful number, since it uses less digits than its factorization.

68759487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303 (or 1300 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 68759487 is about 8292.1340437791. The cubic root of 68759487 is about 409.6794778297.

The spelling of 68759487 in words is "sixty-eight million, seven hundred fifty-nine thousand, four hundred eighty-seven".