68913554 has 8 divisors (see below), whose sum is σ = 103406268. Its totient is φ = 34444800.

The previous prime is 68913547. The next prime is 68913569. The reversal of 68913554 is 45531986.

It can be written as a sum of positive squares in 2 ways, for example, as 62837329 + 6076225 = 7927^2 + 2465^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 6014 + ... + 13190.

Almost surely, 2^68913554 is an apocalyptic number.

68913554 is a deficient number, since it is larger than the sum of its proper divisors (34492714).

68913554 is a wasteful number, since it uses less digits than its factorization.

68913554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11980.

The product of its digits is 129600, while the sum is 41.

The square root of 68913554 is about 8301.4187943989. The cubic root of 68913554 is about 409.9852344474.

The spelling of 68913554 in words is "sixty-eight million, nine hundred thirteen thousand, five hundred fifty-four".