68850240 has 56 divisors (see below), whose sum is σ = 218602560. Its totient is φ = 18359808.

The previous prime is 68850239. The next prime is 68850251. The reversal of 68850240 is 4205886.

It is a congruent number.

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, 34900 + ... + 36819.

Almost surely, 2^68850240 is an apocalyptic number.

68850240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68850240 is an abundant number, since it is smaller than the sum of its proper divisors (149752320).

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

68850240 is a wasteful number, since it uses less digits than its factorization.

68850240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71739 (or 71729 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 68850240 is about 8297.6044735815. The cubic root of 68850240 is about 409.8596386479.

The spelling of 68850240 in words is "sixty-eight million, eight hundred fifty thousand, two hundred forty".