68041587 has 4 divisors (see below), whose sum is σ = 90722120. Its totient is φ = 45361056.

The previous prime is 68041577. The next prime is 68041601. The reversal of 68041587 is 78514086.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 68041587 - 2⁷ = 68041459 is a prime.

It is a super-2 number, since 2×68041587² = 9259315122957138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68041507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11340262 + ... + 11340267.

It is an arithmetic number, because the mean of its divisors is an integer number (22680530).

Almost surely, 2^68041587 is an apocalyptic number.

68041587 is a deficient number, since it is larger than the sum of its proper divisors (22680533).

68041587 is a wasteful number, since it uses less digits than its factorization.

68041587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22680532.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 68041587 is about 8248.7324480795. The cubic root of 68041587 is about 408.2487009755.

The spelling of 68041587 in words is "sixty-eight million, forty-one thousand, five hundred eighty-seven".