68725980 has 72 divisors (see below), whose sum is σ = 209768832. Its totient is φ = 18212736.

The previous prime is 68725939. The next prime is 68725991. The reversal of 68725980 is 8952786.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30037 + ... + 32243.

It is an arithmetic number, because the mean of its divisors is an integer number (2913456).

Almost surely, 2^68725980 is an apocalyptic number.

68725980 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 68725980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104884416).

68725980 is an abundant number, since it is smaller than the sum of its proper divisors (141042852).

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

68725980 is a wasteful number, since it uses less digits than its factorization.

68725980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395 (or 2390 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 68725980 is about 8290.1133888506. The cubic root of 68725980 is about 409.6129204171.

The spelling of 68725980 in words is "sixty-eight million, seven hundred twenty-five thousand, nine hundred eighty".