68565320 has 16 divisors (see below), whose sum is σ = 154272060. Its totient is φ = 27426112.

The previous prime is 68565313. The next prime is 68565337. The reversal of 68565320 is 2356586.

It can be written as a sum of positive squares in 2 ways, for example, as 63266116 + 5299204 = 7954^2 + 2302^2 .

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, 857027 + ... + 857106.

Almost surely, 2^68565320 is an apocalyptic number.

It is an amenable number.

68565320 is an abundant number, since it is smaller than the sum of its proper divisors (85706740).

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

68565320 is a wasteful number, since it uses less digits than its factorization.

68565320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714144 (or 1714140 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 68565320 is about 8280.4178638520. The cubic root of 68565320 is about 409.2934887729.

The spelling of 68565320 in words is "sixty-eight million, five hundred sixty-five thousand, three hundred twenty".