68641741 has 4 divisors (see below), whose sum is σ = 78447712. Its totient is φ = 58835772.

The previous prime is 68641711. The next prime is 68641751. The reversal of 68641741 is 14714686.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68641741 - 2²⁵ = 35087309 is a prime.

It is a super-2 number, since 2×68641741² = 9423377215022162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68641741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68641711) 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, 4902975 + ... + 4902988.

It is an arithmetic number, because the mean of its divisors is an integer number (19611928).

Almost surely, 2^68641741 is an apocalyptic number.

It is an amenable number.

68641741 is a deficient number, since it is larger than the sum of its proper divisors (9805971).

68641741 is an equidigital number, since it uses as much as digits as its factorization.

68641741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9805970.

The product of its digits is 32256, while the sum is 37.

The square root of 68641741 is about 8285.0311405570. The cubic root of 68641741 is about 409.4454946953.

The spelling of 68641741 in words is "sixty-eight million, six hundred forty-one thousand, seven hundred forty-one".