68370518 has 4 divisors (see below), whose sum is σ = 102555780. Its totient is φ = 34185258.

The previous prime is 68370437. The next prime is 68370563. The reversal of 68370518 is 81507386.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17092628 + ... + 17092631.

It is an arithmetic number, because the mean of its divisors is an integer number (25638945).

Almost surely, 2^68370518 is an apocalyptic number.

68370518 is a deficient number, since it is larger than the sum of its proper divisors (34185262).

68370518 is a wasteful number, since it uses less digits than its factorization.

68370518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34185261.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 68370518 is about 8268.6466849177. The cubic root of 68370518 is about 408.9055043997.

The spelling of 68370518 in words is "sixty-eight million, three hundred seventy thousand, five hundred eighteen".