68099457 has 8 divisors (see below), whose sum is σ = 90969280. Its totient is φ = 45314640.

The previous prime is 68099431. The next prime is 68099459. The reversal of 68099457 is 75499086.

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

It is not a de Polignac number, because 68099457 - 2¹¹ = 68097409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68099459) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 19357 + ... + 22602.

It is an arithmetic number, because the mean of its divisors is an integer number (11371160).

Almost surely, 2^68099457 is an apocalyptic number.

It is an amenable number.

68099457 is a deficient number, since it is larger than the sum of its proper divisors (22869823).

68099457 is a wasteful number, since it uses less digits than its factorization.

68099457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42503.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 68099457 is about 8252.2395142167. The cubic root of 68099457 is about 408.3644079456.

The spelling of 68099457 in words is "sixty-eight million, ninety-nine thousand, four hundred fifty-seven".