68097418 has 4 divisors (see below), whose sum is σ = 102146130. Its totient is φ = 34048708.

The previous prime is 68097413. The next prime is 68097431. The reversal of 68097418 is 81479086.

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

It can be written as a sum of positive squares in only one way, i.e., 49322529 + 18774889 = 7023^2 + 4333^2 .

It is not an unprimeable number, because it can be changed into a prime (68097413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17024353 + ... + 17024356.

Almost surely, 2^68097418 is an apocalyptic number.

68097418 is a deficient number, since it is larger than the sum of its proper divisors (34048712).

68097418 is a wasteful number, since it uses less digits than its factorization.

68097418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34048711.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 68097418 is about 8252.1159710707. The cubic root of 68097418 is about 408.3603322238.

The spelling of 68097418 in words is "sixty-eight million, ninety-seven thousand, four hundred eighteen".