68576655 has 16 divisors (see below), whose sum is σ = 125397504. Its totient is φ = 31349280.

The previous prime is 68576653. The next prime is 68576663. The reversal of 68576655 is 55667586.

It is not a de Polignac number, because 68576655 - 2¹ = 68576653 is a prime.

It is a super-2 number, since 2×68576655² = 9405515221978050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68576653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326451 + ... + 326660.

It is an arithmetic number, because the mean of its divisors is an integer number (7837344).

Almost surely, 2^68576655 is an apocalyptic number.

68576655 is a deficient number, since it is larger than the sum of its proper divisors (56820849).

68576655 is a wasteful number, since it uses less digits than its factorization.

68576655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653126.

The product of its digits is 1512000, while the sum is 48.

The square root of 68576655 is about 8281.1022817014. The cubic root of 68576655 is about 409.3160418948.

The spelling of 68576655 in words is "sixty-eight million, five hundred seventy-six thousand, six hundred fifty-five".