68083457 has 8 divisors (see below), whose sum is σ = 74415936. Its totient is φ = 61907472.

The previous prime is 68083439. The next prime is 68083501. The reversal of 68083457 is 75438086.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68083457 - 2⁸ = 68083201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68083417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38213 + ... + 39954.

It is an arithmetic number, because the mean of its divisors is an integer number (9301992).

Almost surely, 2^68083457 is an apocalyptic number.

68083457 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

68083457 is a deficient number, since it is larger than the sum of its proper divisors (6332479).

68083457 is a wasteful number, since it uses less digits than its factorization.

68083457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78247.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 68083457 is about 8251.2700234570. The cubic root of 68083457 is about 408.3324236363.

The spelling of 68083457 in words is "sixty-eight million, eighty-three thousand, four hundred fifty-seven".