68918350 has 24 divisors (see below), whose sum is σ = 133763760. Its totient is φ = 26368320.

The previous prime is 68918329. The next prime is 68918389. The reversal of 68918350 is 5381986.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28815 + ... + 31114.

It is an arithmetic number, because the mean of its divisors is an integer number (5573490).

Almost surely, 2^68918350 is an apocalyptic number.

68918350 is a deficient number, since it is larger than the sum of its proper divisors (64845410).

68918350 is a wasteful number, since it uses less digits than its factorization.

68918350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59964 (or 59959 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 68918350 is about 8301.7076556574. The cubic root of 68918350 is about 409.9947451240.

The spelling of 68918350 in words is "sixty-eight million, nine hundred eighteen thousand, three hundred fifty".