68799146 has 16 divisors (see below), whose sum is σ = 112125384. Its totient is φ = 31471104.

The previous prime is 68799139. The next prime is 68799161. The reversal of 68799146 is 64199786.

It can be written as a sum of positive squares in 4 ways, for example, as 23088025 + 45711121 = 4805^2 + 6761^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68799094 and 68799103.

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, 8771 + ... + 14646.

Almost surely, 2^68799146 is an apocalyptic number.

68799146 is a deficient number, since it is larger than the sum of its proper divisors (43326238).

68799146 is a wasteful number, since it uses less digits than its factorization.

68799146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23545.

The product of its digits is 653184, while the sum is 50.

The square root of 68799146 is about 8294.5250617501. The cubic root of 68799146 is about 409.7582274753.

The spelling of 68799146 in words is "sixty-eight million, seven hundred ninety-nine thousand, one hundred forty-six".