68554280 has 32 divisors (see below), whose sum is σ = 162367200. Its totient is φ = 25978176.

The previous prime is 68554271. The next prime is 68554307. The reversal of 68554280 is 8245586.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44342 + ... + 45861.

It is an arithmetic number, because the mean of its divisors is an integer number (5073975).

Almost surely, 2^68554280 is an apocalyptic number.

It is an amenable number.

68554280 is an abundant number, since it is smaller than the sum of its proper divisors (93812920).

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

68554280 is a wasteful number, since it uses less digits than its factorization.

68554280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90233 (or 90229 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 68554280 is about 8279.7512039916. The cubic root of 68554280 is about 409.2715202196.

The spelling of 68554280 in words is "sixty-eight million, five hundred fifty-four thousand, two hundred eighty".