68781041 has 8 divisors (see below), whose sum is σ = 79226880. Its totient is φ = 58490208.

The previous prime is 68781029. The next prime is 68781043. The reversal of 68781041 is 14018786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-68781041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68780992 and 68781010.

It is not an unprimeable number, because it can be changed into a prime (68781043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37796 + ... + 39573.

It is an arithmetic number, because the mean of its divisors is an integer number (9903360).

Almost surely, 2^68781041 is an apocalyptic number.

It is an amenable number.

68781041 is a deficient number, since it is larger than the sum of its proper divisors (10445839).

68781041 is a wasteful number, since it uses less digits than its factorization.

68781041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77503.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 68781041 is about 8293.4336073788. The cubic root of 68781041 is about 409.7222806940.

The spelling of 68781041 in words is "sixty-eight million, seven hundred eighty-one thousand, forty-one".