68634277 has 16 divisors (see below), whose sum is σ = 73261440. Its totient is φ = 64164672.

The previous prime is 68634263. The next prime is 68634281. The reversal of 68634277 is 77243686.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68634277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68634227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299599 + ... + 299827.

It is an arithmetic number, because the mean of its divisors is an integer number (4578840).

Almost surely, 2^68634277 is an apocalyptic number.

It is an amenable number.

68634277 is a deficient number, since it is larger than the sum of its proper divisors (4627163).

68634277 is a wasteful number, since it uses less digits than its factorization.

68634277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492.

The product of its digits is 338688, while the sum is 43.

The square root of 68634277 is about 8284.5806773789. The cubic root of 68634277 is about 409.4306533276.

The spelling of 68634277 in words is "sixty-eight million, six hundred thirty-four thousand, two hundred seventy-seven".