68804402 has 4 divisors (see below), whose sum is σ = 103206606. Its totient is φ = 34402200.

The previous prime is 68804399. The next prime is 68804459. The reversal of 68804402 is 20440886.

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., 68574961 + 229441 = 8281^2 + 479^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17201099 + ... + 17201102.

Almost surely, 2^68804402 is an apocalyptic number.

68804402 is a deficient number, since it is larger than the sum of its proper divisors (34402204).

68804402 is a wasteful number, since it uses less digits than its factorization.

68804402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34402203.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 68804402 is about 8294.8418911996. The cubic root of 68804402 is about 409.7686618800.

The spelling of 68804402 in words is "sixty-eight million, eight hundred four thousand, four hundred two".