68810354 has 4 divisors (see below), whose sum is σ = 103215534. Its totient is φ = 34405176.

The previous prime is 68810353. The next prime is 68810369. The reversal of 68810354 is 45301886.

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., 59367025 + 9443329 = 7705^2 + 3073^2 .

It is not an unprimeable number, because it can be changed into a prime (68810351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17202587 + ... + 17202590.

Almost surely, 2^68810354 is an apocalyptic number.

68810354 is a deficient number, since it is larger than the sum of its proper divisors (34405180).

68810354 is a wasteful number, since it uses less digits than its factorization.

68810354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34405179.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 68810354 is about 8295.2006606230. The cubic root of 68810354 is about 409.7804773679.

The spelling of 68810354 in words is "sixty-eight million, eight hundred ten thousand, three hundred fifty-four".