68213277 has 24 divisors (see below), whose sum is σ = 108282720. Its totient is φ = 41035680.

The previous prime is 68213267. The next prime is 68213281. The reversal of 68213277 is 77231286.

It is not a de Polignac number, because 68213277 - 2⁷ = 68213149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68213207) by changing a digit.

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, 11283 + ... + 16239.

It is an arithmetic number, because the mean of its divisors is an integer number (4511780).

Almost surely, 2^68213277 is an apocalyptic number.

It is an amenable number.

68213277 is a deficient number, since it is larger than the sum of its proper divisors (40069443).

68213277 is a wasteful number, since it uses less digits than its factorization.

68213277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113 (or 5110 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 68213277 is about 8259.1329448072. The cubic root of 68213277 is about 408.5917918717.

Subtracting 68213277 from its reverse (77231286), we obtain a square (9018009 = 3003²).

The spelling of 68213277 in words is "sixty-eight million, two hundred thirteen thousand, two hundred seventy-seven".