68277650 has 48 divisors (see below), whose sum is σ = 145806144. Its totient is φ = 23302080.

The previous prime is 68277641. The next prime is 68277667. The reversal of 68277650 is 5677286.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68277598 and 68277607.

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 in 23 ways as a sum of consecutive naturals, for example, 130289 + ... + 130811.

It is an arithmetic number, because the mean of its divisors is an integer number (3037628).

Almost surely, 2^68277650 is an apocalyptic number.

68277650 is an abundant number, since it is smaller than the sum of its proper divisors (77528494).

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

68277650 is a wasteful number, since it uses less digits than its factorization.

68277650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 68277650 is about 8263.0291056004. The cubic root of 68277650 is about 408.7202810802.

The spelling of 68277650 in words is "sixty-eight million, two hundred seventy-seven thousand, six hundred fifty".