68747554 has 16 divisors (see below), whose sum is σ = 106561728. Its totient is φ = 33238512.

The previous prime is 68747533. The next prime is 68747563. The reversal of 68747554 is 45574786.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9577 + ... + 15139.

It is an arithmetic number, because the mean of its divisors is an integer number (6660108).

Almost surely, 2^68747554 is an apocalyptic number.

68747554 is a deficient number, since it is larger than the sum of its proper divisors (37814174).

68747554 is a wasteful number, since it uses less digits than its factorization.

68747554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5769.

The product of its digits is 940800, while the sum is 46.

The square root of 68747554 is about 8291.4144752268. The cubic root of 68747554 is about 409.6557769158.

The spelling of 68747554 in words is "sixty-eight million, seven hundred forty-seven thousand, five hundred fifty-four".