68331560 has 32 divisors (see below), whose sum is σ = 167724000. Its totient is φ = 24847680.

The previous prime is 68331559. The next prime is 68331589. The reversal of 68331560 is 6513386.

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, 77210 + ... + 78089.

It is an arithmetic number, because the mean of its divisors is an integer number (5241375).

Almost surely, 2^68331560 is an apocalyptic number.

It is an amenable number.

68331560 is an abundant number, since it is smaller than the sum of its proper divisors (99392440).

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

68331560 is a wasteful number, since it uses less digits than its factorization.

68331560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155321 (or 155317 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 68331560 is about 8266.2905828431. The cubic root of 68331560 is about 408.8278239034.

The spelling of 68331560 in words is "sixty-eight million, three hundred thirty-one thousand, five hundred sixty".