68277337 has 4 divisors (see below), whose sum is σ = 69434640. Its totient is φ = 67120036.

The previous prime is 68277301. The next prime is 68277347. The reversal of 68277337 is 73377286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73377286 = 2 ⋅36688643.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68277337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68277293 and 68277302.

It is not an unprimeable number, because it can be changed into a prime (68277347) 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 3 ways as a sum of consecutive naturals, for example, 578563 + ... + 578680.

It is an arithmetic number, because the mean of its divisors is an integer number (17358660).

Almost surely, 2^68277337 is an apocalyptic number.

It is an amenable number.

68277337 is a deficient number, since it is larger than the sum of its proper divisors (1157303).

68277337 is a wasteful number, since it uses less digits than its factorization.

68277337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157302.

The product of its digits is 296352, while the sum is 43.

The square root of 68277337 is about 8263.0101657931. The cubic root of 68277337 is about 408.7196565242.

The spelling of 68277337 in words is "sixty-eight million, two hundred seventy-seven thousand, three hundred thirty-seven".