68892650 has 12 divisors (see below), whose sum is σ = 128140422. Its totient is φ = 27557040.

The previous prime is 68892643. The next prime is 68892667. The reversal of 68892650 is 5629886.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 62425801 + 6466849 = 7901^2 + 2543^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 688877 + ... + 688976.

Almost surely, 2^68892650 is an apocalyptic number.

68892650 is a deficient number, since it is larger than the sum of its proper divisors (59247772).

68892650 is a wasteful number, since it uses less digits than its factorization.

68892650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377865 (or 1377860 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 68892650 is about 8300.1596370190. The cubic root of 68892650 is about 409.9437757524.

The spelling of 68892650 in words is "sixty-eight million, eight hundred ninety-two thousand, six hundred fifty".