68487016 has 32 divisors (see below), whose sum is σ = 146429640. Its totient is φ = 29749248.

The previous prime is 68486993. The next prime is 68487059. The reversal of 68487016 is 61078486.

It can be written as a sum of positive squares in 4 ways, for example, as 41550916 + 26936100 = 6446^2 + 5190^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68487016.

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, 17601 + ... + 21136.

Almost surely, 2^68487016 is an apocalyptic number.

It is an amenable number.

68487016 is an abundant number, since it is smaller than the sum of its proper divisors (77942624).

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

68487016 is a wasteful number, since it uses less digits than its factorization.

68487016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38773 (or 38769 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 68487016 is about 8275.6882493240. The cubic root of 68487016 is about 409.1376202494.

The spelling of 68487016 in words is "sixty-eight million, four hundred eighty-seven thousand, sixteen".