68503908 has 48 divisors (see below), whose sum is σ = 175855680. Its totient is φ = 20753920.

The previous prime is 68503891. The next prime is 68503921. The reversal of 68503908 is 80930586.

It is a super-2 number, since 2×68503908² = 9385570822544928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13828 + ... + 18116.

It is an arithmetic number, because the mean of its divisors is an integer number (3663660).

Almost surely, 2^68503908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68503908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87927840).

68503908 is an abundant number, since it is smaller than the sum of its proper divisors (107351772).

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

68503908 is a wasteful number, since it uses less digits than its factorization.

68503908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329 (or 4305 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 68503908 is about 8276.7087661703. The cubic root of 68503908 is about 409.1712547735.

The spelling of 68503908 in words is "sixty-eight million, five hundred three thousand, nine hundred eight".