68449634 has 16 divisors (see below), whose sum is σ = 112146336. Its totient is φ = 31075200.

The previous prime is 68449613. The next prime is 68449651. The reversal of 68449634 is 43694486.

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 7 ways as a sum of consecutive naturals, for example, 24434 + ... + 27090.

It is an arithmetic number, because the mean of its divisors is an integer number (7009146).

Almost surely, 2^68449634 is an apocalyptic number.

68449634 is a deficient number, since it is larger than the sum of its proper divisors (43696702).

68449634 is a wasteful number, since it uses less digits than its factorization.

68449634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841.

The product of its digits is 497664, while the sum is 44.

The square root of 68449634 is about 8273.4293977770. The cubic root of 68449634 is about 409.0631673728.

The spelling of 68449634 in words is "sixty-eight million, four hundred forty-nine thousand, six hundred thirty-four".