68853280 has 24 divisors (see below), whose sum is σ = 162666252. Its totient is φ = 27541248.

The previous prime is 68853269. The next prime is 68853293. The reversal of 68853280 is 8235886.

It can be written as a sum of positive squares in 2 ways, for example, as 59043856 + 9809424 = 7684^2 + 3132^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215007 + ... + 215326.

Almost surely, 2^68853280 is an apocalyptic number.

It is an amenable number.

68853280 is an abundant number, since it is smaller than the sum of its proper divisors (93812972).

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

68853280 is a wasteful number, since it uses less digits than its factorization.

68853280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430348 (or 430340 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 68853280 is about 8297.7876569601. The cubic root of 68853280 is about 409.8656708465.

The spelling of 68853280 in words is "sixty-eight million, eight hundred fifty-three thousand, two hundred eighty".