68284724 has 6 divisors (see below), whose sum is σ = 119498274. Its totient is φ = 34142360.

The previous prime is 68284717. The next prime is 68284753. The reversal of 68284724 is 42748286.

It can be written as a sum of positive squares in only one way, i.e., 48748324 + 19536400 = 6982^2 + 4420^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8535587 + ... + 8535594.

It is an arithmetic number, because the mean of its divisors is an integer number (19916379).

Almost surely, 2^68284724 is an apocalyptic number.

It is an amenable number.

68284724 is a deficient number, since it is larger than the sum of its proper divisors (51213550).

68284724 is a wasteful number, since it uses less digits than its factorization.

68284724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17071185 (or 17071183 counting only the distinct ones).

The product of its digits is 172032, while the sum is 41.

The square root of 68284724 is about 8263.4571457714. The cubic root of 68284724 is about 408.7343959354.

The spelling of 68284724 in words is "sixty-eight million, two hundred eighty-four thousand, seven hundred twenty-four".