68580634 has 4 divisors (see below), whose sum is σ = 102870954. Its totient is φ = 34290316.

The previous prime is 68580623. The next prime is 68580689. The reversal of 68580634 is 43608586.

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., 49632025 + 18948609 = 7045^2 + 4353^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17145157 + ... + 17145160.

Almost surely, 2^68580634 is an apocalyptic number.

68580634 is a deficient number, since it is larger than the sum of its proper divisors (34290320).

68580634 is a wasteful number, since it uses less digits than its factorization.

68580634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34290319.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 68580634 is about 8281.3425240114. The cubic root of 68580634 is about 409.3239582770.

The spelling of 68580634 in words is "sixty-eight million, five hundred eighty thousand, six hundred thirty-four".