68509030 has 32 divisors (see below), whose sum is σ = 127008000. Its totient is φ = 26595552.

The previous prime is 68509013. The next prime is 68509057. The reversal of 68509030 is 3090586.

It is a junction number, because it is equal to n+sod(n) for n = 68508983 and 68509001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48271 + ... + 49669.

It is an arithmetic number, because the mean of its divisors is an integer number (3969000).

Almost surely, 2^68509030 is an apocalyptic number.

68509030 is a deficient number, since it is larger than the sum of its proper divisors (58498970).

68509030 is a wasteful number, since it uses less digits than its factorization.

68509030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 68509030 is about 8277.0181828965. The cubic root of 68509030 is about 409.1814523568.

The spelling of 68509030 in words is "sixty-eight million, five hundred nine thousand, thirty".