68561950 has 24 divisors (see below), whose sum is σ = 128773008. Its totient is φ = 27156480.

The previous prime is 68561947. The next prime is 68561957. The reversal of 68561950 is 5916586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68561957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1507 + ... + 11806.

It is an arithmetic number, because the mean of its divisors is an integer number (5365542).

Almost surely, 2^68561950 is an apocalyptic number.

68561950 is a deficient number, since it is larger than the sum of its proper divisors (60211058).

68561950 is a wasteful number, since it uses less digits than its factorization.

68561950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13428 (or 13423 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 68561950 is about 8280.2143692057. The cubic root of 68561950 is about 409.2867830425.

The spelling of 68561950 in words is "sixty-eight million, five hundred sixty-one thousand, nine hundred fifty".