68077210 has 16 divisors (see below), whose sum is σ = 126765000. Its totient is φ = 26291776.

The previous prime is 68077201. The next prime is 68077211. The reversal of 68077210 is 1277086.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47073321 + 21003889 = 6861^2 + 4583^2 .

It is not an unprimeable number, because it can be changed into a prime (68077211) 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, 117085 + ... + 117664.

Almost surely, 2^68077210 is an apocalyptic number.

68077210 is a deficient number, since it is larger than the sum of its proper divisors (58687790).

68077210 is a wasteful number, since it uses less digits than its factorization.

68077210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234785.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 68077210 is about 8250.8914669871. The cubic root of 68077210 is about 408.3199344023.

The spelling of 68077210 in words is "sixty-eight million, seventy-seven thousand, two hundred ten".