68089634 has 4 divisors (see below), whose sum is σ = 102134454. Its totient is φ = 34044816.

The previous prime is 68089627. The next prime is 68089649. The reversal of 68089634 is 43698086.

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

It can be written as a sum of positive squares in only one way, i.e., 60109009 + 7980625 = 7753^2 + 2825^2 .

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 as a sum of consecutive naturals, namely, 17022407 + ... + 17022410.

Almost surely, 2^68089634 is an apocalyptic number.

68089634 is a deficient number, since it is larger than the sum of its proper divisors (34044820).

68089634 is a wasteful number, since it uses less digits than its factorization.

68089634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34044819.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 68089634 is about 8251.6443209823. The cubic root of 68089634 is about 408.3447721725.

The spelling of 68089634 in words is "sixty-eight million, eighty-nine thousand, six hundred thirty-four".