68550442 has 32 divisors (see below), whose sum is σ = 115758720. Its totient is φ = 30286080.

The previous prime is 68550407. The next prime is 68550467. The reversal of 68550442 is 24405586.

It is a junction number, because it is equal to n+sod(n) for n = 68550398 and 68550407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34878 + ... + 36790.

It is an arithmetic number, because the mean of its divisors is an integer number (3617460).

Almost surely, 2^68550442 is an apocalyptic number.

68550442 is a deficient number, since it is larger than the sum of its proper divisors (47208278).

68550442 is a wasteful number, since it uses less digits than its factorization.

68550442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 68550442 is about 8279.5194304984. The cubic root of 68550442 is about 409.2638824110.

The spelling of 68550442 in words is "sixty-eight million, five hundred fifty thousand, four hundred forty-two".