68748406 has 8 divisors (see below), whose sum is σ = 104281560. Its totient is φ = 33987888.

The previous prime is 68748373. The next prime is 68748413. The reversal of 68748406 is 60484786.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192936 + ... + 193291.

It is an arithmetic number, because the mean of its divisors is an integer number (13035195).

Almost surely, 2^68748406 is an apocalyptic number.

68748406 is a deficient number, since it is larger than the sum of its proper divisors (35533154).

68748406 is a wasteful number, since it uses less digits than its factorization.

68748406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386318.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 68748406 is about 8291.4658535147. The cubic root of 68748406 is about 409.6574692198.

The spelling of 68748406 in words is "sixty-eight million, seven hundred forty-eight thousand, four hundred six".