68032980 has 96 divisors (see below), whose sum is σ = 224138880. Its totient is φ = 17072640.

The previous prime is 68032969. The next prime is 68033029. The reversal of 68032980 is 8923086.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5475 + ... + 12885.

It is an arithmetic number, because the mean of its divisors is an integer number (2334780).

Almost surely, 2^68032980 is an apocalyptic number.

68032980 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 68032980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112069440).

68032980 is an abundant number, since it is smaller than the sum of its proper divisors (156105900).

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

68032980 is a wasteful number, since it uses less digits than its factorization.

68032980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7446 (or 7438 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 68032980 is about 8248.2107150581. The cubic root of 68032980 is about 408.2314862842.

The spelling of 68032980 in words is "sixty-eight million, thirty-two thousand, nine hundred eighty".