68929241 has 4 divisors (see below), whose sum is σ = 70610484. Its totient is φ = 67248000.

The previous prime is 68929219. The next prime is 68929243. The reversal of 68929241 is 14292986.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2262016 + 66667225 = 1504^2 + 8165^2 .

It is a cyclic number.

It is not a de Polignac number, because 68929241 - 2⁶ = 68929177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1681201 = 68929241 / (6 + 8 + 9 + 2 + 9 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68929243) 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, 840560 + ... + 840641.

It is an arithmetic number, because the mean of its divisors is an integer number (17652621).

Almost surely, 2^68929241 is an apocalyptic number.

It is an amenable number.

68929241 is a deficient number, since it is larger than the sum of its proper divisors (1681243).

68929241 is a wasteful number, since it uses less digits than its factorization.

68929241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681242.

The product of its digits is 62208, while the sum is 41.

The square root of 68929241 is about 8302.3635791261. The cubic root of 68929241 is about 410.0163408121.

The spelling of 68929241 in words is "sixty-eight million, nine hundred twenty-nine thousand, two hundred forty-one".