68058720 has 144 divisors (see below), whose sum is σ = 234535392. Its totient is φ = 17971200.

The previous prime is 68058713. The next prime is 68058721. The reversal of 68058720 is 2785086.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68058721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217284 + ... + 217596.

It is an arithmetic number, because the mean of its divisors is an integer number (1628718).

Almost surely, 2^68058720 is an apocalyptic number.

68058720 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 68058720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117267696).

68058720 is an abundant number, since it is smaller than the sum of its proper divisors (166476672).

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

68058720 is a wasteful number, since it uses less digits than its factorization.

68058720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 68058720 is about 8249.7709059101. The cubic root of 68058720 is about 408.2829640309.

The spelling of 68058720 in words is "sixty-eight million, fifty-eight thousand, seven hundred twenty".