68077247 has 8 divisors (see below), whose sum is σ = 81897600. Its totient is φ = 55280664.

The previous prime is 68077211. The next prime is 68077277. The reversal of 68077247 is 74277086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68077247 - 2⁶ = 68077183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68077277) 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, 255797 + ... + 256062.

It is an arithmetic number, because the mean of its divisors is an integer number (10237200).

Almost surely, 2^68077247 is an apocalyptic number.

68077247 is a deficient number, since it is larger than the sum of its proper divisors (13820353).

68077247 is a wasteful number, since it uses less digits than its factorization.

68077247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511885.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 68077247 is about 8250.8937091687. The cubic root of 68077247 is about 408.3200083763.

The spelling of 68077247 in words is "sixty-eight million, seventy-seven thousand, two hundred forty-seven".