68357908 has 24 divisors (see below), whose sum is σ = 121080960. Its totient is φ = 33766560.

The previous prime is 68357903. The next prime is 68357921. The reversal of 68357908 is 80975386.

It is a super-2 number, since 2×68357908² = 9345607172272928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68357903) 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, 190233 + ... + 190591.

It is an arithmetic number, because the mean of its divisors is an integer number (5045040).

Almost surely, 2^68357908 is an apocalyptic number.

It is an amenable number.

68357908 is a deficient number, since it is larger than the sum of its proper divisors (52723052).

68357908 is a wasteful number, since it uses less digits than its factorization.

68357908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 68357908 is about 8267.8841307798. The cubic root of 68357908 is about 408.8803638586.

The spelling of 68357908 in words is "sixty-eight million, three hundred fifty-seven thousand, nine hundred eight".