68126650 has 24 divisors (see below), whose sum is σ = 134171100. Its totient is φ = 25647360.

The previous prime is 68126587. The next prime is 68126659. The reversal of 68126650 is 5662186.

It can be written as a sum of positive squares in 6 ways, for example, as 53860921 + 14265729 = 7339^2 + 3777^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (68126659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39225 + ... + 40924.

Almost surely, 2^68126650 is an apocalyptic number.

68126650 is a deficient number, since it is larger than the sum of its proper divisors (66044450).

68126650 is a wasteful number, since it uses less digits than its factorization.

68126650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80178 (or 80173 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 68126650 is about 8253.8869631223. The cubic root of 68126650 is about 408.4187557877.

The spelling of 68126650 in words is "sixty-eight million, one hundred twenty-six thousand, six hundred fifty".