68454180 has 96 divisors (see below), whose sum is σ = 215107200. Its totient is φ = 18071424.

The previous prime is 68454163. The next prime is 68454203. The reversal of 68454180 is 8145486.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58279 + ... + 59441.

It is an arithmetic number, because the mean of its divisors is an integer number (2240700).

Almost surely, 2^68454180 is an apocalyptic number.

68454180 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 68454180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107553600).

68454180 is an abundant number, since it is smaller than the sum of its proper divisors (146653020).

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

68454180 is a wasteful number, since it uses less digits than its factorization.

68454180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 68454180 is about 8273.7041281399. The cubic root of 68454180 is about 409.0722229849.

It can be divided in two parts, 6845 and 4180, that added together give a square (11025 = 105²).

The spelling of 68454180 in words is "sixty-eight million, four hundred fifty-four thousand, one hundred eighty".