68479592 has 8 divisors (see below), whose sum is σ = 128399250. Its totient is φ = 34239792.

The previous prime is 68479583. The next prime is 68479613. The reversal of 68479592 is 29597486.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 58277956 + 10201636 = 7634^2 + 3194^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 68479592.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4279967 + ... + 4279982.

Almost surely, 2^68479592 is an apocalyptic number.

It is an amenable number.

68479592 is a deficient number, since it is larger than the sum of its proper divisors (59919658).

68479592 is a wasteful number, since it uses less digits than its factorization.

68479592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8559955 (or 8559951 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 68479592 is about 8275.2396944137. The cubic root of 68479592 is about 409.1228361943.

The spelling of 68479592 in words is "sixty-eight million, four hundred seventy-nine thousand, five hundred ninety-two".