68906208 has 48 divisors (see below), whose sum is σ = 206720640. Its totient is φ = 19687296.

The previous prime is 68906207. The next prime is 68906209. The reversal of 68906208 is 80260986.

It is an interprime number because it is at equal distance from previous prime (68906207) and next prime (68906209).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68906207) 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, 50598 + ... + 51941.

It is an arithmetic number, because the mean of its divisors is an integer number (4306680).

Almost surely, 2^68906208 is an apocalyptic number.

It is an amenable number.

68906208 is an abundant number, since it is smaller than the sum of its proper divisors (137814432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68906208 is a wasteful number, since it uses less digits than its factorization.

68906208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102559 (or 102551 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 68906208 is about 8300.9763281195. The cubic root of 68906208 is about 409.9706661544.

The spelling of 68906208 in words is "sixty-eight million, nine hundred six thousand, two hundred eight".