68002980 has 48 divisors (see below), whose sum is σ = 191647680. Its totient is φ = 18016128.

The previous prime is 68002951. The next prime is 68002993. The reversal of 68002980 is 8920086.

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, 5811 + ... + 13029.

It is an arithmetic number, because the mean of its divisors is an integer number (3992660).

Almost surely, 2^68002980 is an apocalyptic number.

68002980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68002980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95823840).

68002980 is an abundant number, since it is smaller than the sum of its proper divisors (123644700).

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

68002980 is a wasteful number, since it uses less digits than its factorization.

68002980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7388 (or 7386 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 68002980 is about 8246.3919382964. The cubic root of 68002980 is about 408.1714725224.

The spelling of 68002980 in words is "sixty-eight million, two thousand, nine hundred eighty".