68493206 has 16 divisors (see below), whose sum is σ = 105558768. Its totient is φ = 33312000.

The previous prime is 68493197. The next prime is 68493263. The reversal of 68493206 is 60239486.

It is a self number, because there is not a number n which added to its sum of digits gives 68493206.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31841 + ... + 33923.

It is an arithmetic number, because the mean of its divisors is an integer number (6597423).

Almost surely, 2^68493206 is an apocalyptic number.

68493206 is a deficient number, since it is larger than the sum of its proper divisors (37065562).

68493206 is a wasteful number, since it uses less digits than its factorization.

68493206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 68493206 is about 8276.0622278956. The cubic root of 68493206 is about 409.1499461165.

The spelling of 68493206 in words is "sixty-eight million, four hundred ninety-three thousand, two hundred six".