68479574 has 4 divisors (see below), whose sum is σ = 102719364. Its totient is φ = 34239786.

The previous prime is 68479549. The next prime is 68479583. The reversal of 68479574 is 47597486.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17119892 + ... + 17119895.

It is an arithmetic number, because the mean of its divisors is an integer number (25679841).

Almost surely, 2^68479574 is an apocalyptic number.

68479574 is a deficient number, since it is larger than the sum of its proper divisors (34239790).

68479574 is a wasteful number, since it uses less digits than its factorization.

68479574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34239789.

The product of its digits is 1693440, while the sum is 50.

The square root of 68479574 is about 8275.2386068318. The cubic root of 68479574 is about 409.1228003481.

The spelling of 68479574 in words is "sixty-eight million, four hundred seventy-nine thousand, five hundred seventy-four".