68309084 has 12 divisors (see below), whose sum is σ = 119876400. Its totient is φ = 34058688.

The previous prime is 68309071. The next prime is 68309173. The reversal of 68309084 is 48090386.

It is a super-2 number, since 2×68309084² = 9332261913838112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22349 + ... + 25220.

It is an arithmetic number, because the mean of its divisors is an integer number (9989700).

Almost surely, 2^68309084 is an apocalyptic number.

It is an amenable number.

68309084 is a deficient number, since it is larger than the sum of its proper divisors (51567316).

68309084 is a wasteful number, since it uses less digits than its factorization.

68309084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47932 (or 47930 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 68309084 is about 8264.9309736984. The cubic root of 68309084 is about 408.7829943409.

The spelling of 68309084 in words is "sixty-eight million, three hundred nine thousand, eighty-four".