68503960 has 64 divisors (see below), whose sum is σ = 179784000. Its totient is φ = 23482368.

The previous prime is 68503951. The next prime is 68503979. The reversal of 68503960 is 6930586.

It is a congruent number.

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, 11224 + ... + 16216.

It is an arithmetic number, because the mean of its divisors is an integer number (2809125).

Almost surely, 2^68503960 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 68503960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89892000).

68503960 is an abundant number, since it is smaller than the sum of its proper divisors (111280040).

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

68503960 is a wasteful number, since it uses less digits than its factorization.

68503960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025 (or 5007 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 68503960 is about 8276.7119075150. The cubic root of 68503960 is about 409.1713583048.

The spelling of 68503960 in words is "sixty-eight million, five hundred three thousand, nine hundred sixty".