68479016 has 8 divisors (see below), whose sum is σ = 128398170. Its totient is φ = 34239504.

The previous prime is 68479013. The next prime is 68479049. The reversal of 68479016 is 61097486.

It can be written as a sum of positive squares in only one way, i.e., 59752900 + 8726116 = 7730^2 + 2954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (68479013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4279931 + ... + 4279946.

Almost surely, 2^68479016 is an apocalyptic number.

It is an amenable number.

68479016 is a deficient number, since it is larger than the sum of its proper divisors (59919154).

68479016 is a wasteful number, since it uses less digits than its factorization.

68479016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8559883 (or 8559879 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 68479016 is about 8275.2048917232. The cubic root of 68479016 is about 409.1216891109.

The spelling of 68479016 in words is "sixty-eight million, four hundred seventy-nine thousand, sixteen".