68313057 has 8 divisors (see below), whose sum is σ = 94022400. Its totient is φ = 44072880.

The previous prime is 68313053. The next prime is 68313061. The reversal of 68313057 is 75031386.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68313053) and next prime (68313061).

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

It is not a de Polignac number, because 68313057 - 2² = 68313053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68313053) by changing a digit.

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, 367182 + ... + 367367.

It is an arithmetic number, because the mean of its divisors is an integer number (11752800).

Almost surely, 2^68313057 is an apocalyptic number.

It is an amenable number.

68313057 is a deficient number, since it is larger than the sum of its proper divisors (25709343).

68313057 is a wasteful number, since it uses less digits than its factorization.

68313057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734583.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 68313057 is about 8265.1713230882. The cubic root of 68313057 is about 408.7909194135.

The spelling of 68313057 in words is "sixty-eight million, three hundred thirteen thousand, fifty-seven".