68580338 has 4 divisors (see below), whose sum is σ = 102870510. Its totient is φ = 34290168.

The previous prime is 68580307. The next prime is 68580341. The reversal of 68580338 is 83308586.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83308586 = 2 ⋅41654293.

It can be written as a sum of positive squares in only one way, i.e., 67683529 + 896809 = 8227^2 + 947^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68580295 and 68580304.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17145083 + ... + 17145086.

Almost surely, 2^68580338 is an apocalyptic number.

68580338 is a deficient number, since it is larger than the sum of its proper divisors (34290172).

68580338 is a wasteful number, since it uses less digits than its factorization.

68580338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34290171.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 68580338 is about 8281.3246524937. The cubic root of 68580338 is about 409.3233693835.

The spelling of 68580338 in words is "sixty-eight million, five hundred eighty thousand, three hundred thirty-eight".