68436361 has 4 divisors (see below), whose sum is σ = 78212992. Its totient is φ = 58659732.

The previous prime is 68436343. The next prime is 68436383. The reversal of 68436361 is 16363486.

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 68436361 - 2¹¹ = 68434313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68436361.

It is not an unprimeable number, because it can be changed into a prime (68436301) 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, 4888305 + ... + 4888318.

It is an arithmetic number, because the mean of its divisors is an integer number (19553248).

Almost surely, 2^68436361 is an apocalyptic number.

It is an amenable number.

68436361 is a deficient number, since it is larger than the sum of its proper divisors (9776631).

68436361 is an equidigital number, since it uses as much as digits as its factorization.

68436361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9776630.

The product of its digits is 62208, while the sum is 37.

The square root of 68436361 is about 8272.6272126816. The cubic root of 68436361 is about 409.0367253205.

The spelling of 68436361 in words is "sixty-eight million, four hundred thirty-six thousand, three hundred sixty-one".