68945408 has 40 divisors (see below), whose sum is σ = 157443792. Its totient is φ = 29546496.

The previous prime is 68945377. The next prime is 68945411. The reversal of 68945408 is 80454986.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6035 + ... + 13202.

Almost surely, 2^68945408 is an apocalyptic number.

It is an amenable number.

68945408 is an abundant number, since it is smaller than the sum of its proper divisors (88498384).

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

68945408 is an equidigital number, since it uses as much as digits as its factorization.

68945408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19262 (or 19246 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 68945408 is about 8303.3371604434. The cubic root of 68945408 is about 410.0483940497.

The spelling of 68945408 in words is "sixty-eight million, nine hundred forty-five thousand, four hundred eight".