68649612 has 24 divisors (see below), whose sum is σ = 165706800. Its totient is φ = 22094016.

The previous prime is 68649601. The next prime is 68649619. The reversal of 68649612 is 21694686.

It is not an unprimeable number, because it can be changed into a prime (68649619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98287 + ... + 98982.

It is an arithmetic number, because the mean of its divisors is an integer number (6904450).

Almost surely, 2^68649612 is an apocalyptic number.

It is an amenable number.

68649612 is an abundant number, since it is smaller than the sum of its proper divisors (97057188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68649612 is a wasteful number, since it uses less digits than its factorization.

68649612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197305 (or 197303 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 68649612 is about 8285.5061402427. The cubic root of 68649612 is about 409.4611441737.

The spelling of 68649612 in words is "sixty-eight million, six hundred forty-nine thousand, six hundred twelve".