68431802 has 8 divisors (see below), whose sum is σ = 102698112. Its totient is φ = 34199100.

The previous prime is 68431771. The next prime is 68431807. The reversal of 68431802 is 20813486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68431807) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2474 + ... + 11957.

It is an arithmetic number, because the mean of its divisors is an integer number (12837264).

Almost surely, 2^68431802 is an apocalyptic number.

68431802 is a deficient number, since it is larger than the sum of its proper divisors (34266310).

68431802 is a wasteful number, since it uses less digits than its factorization.

68431802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16804.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 68431802 is about 8272.3516608036. The cubic root of 68431802 is about 409.0276422356.

The spelling of 68431802 in words is "sixty-eight million, four hundred thirty-one thousand, eight hundred two".